Publication List

III. International Conference Papers

  1. S. Ghosh, T. Tanemura, Y. Kawabata, K. Katoh, K. Kikuchi, and Y. Nakano, "Simple direct-detection-based Stokes vector receiver circuit on InP," Optical Fiber Communications Conference (OFC 2015), Los Angeles, CA, USA, Th1A6 (19-23 March 2017)
  2. K. Kikuchi, "Coherent optical communication technology (Tutorial)," Opto-electronics and Communication Conference/Photonics in Switching (OECC/PS 2016), WB1-1, Niigata, Japan (3-7 July 2016)
  3. K. Kikuchi, "Digital polarization demultiplexing at direct-detection receivers," Workshop on “Emerging Optical Access Networking Technologies” in Asia Communication and Photonics Conference (ACP 2015), Hong Kong, China (20 Nov. 2015).
  4. S. Ishimura and K. Kikuchi, "Fast decoding and LLR-computation algorithms for high-order set-partitioned 4D-QAM constellations," European Conference on Optical Communication (ECOC2015) , Valencia, Spain, P.3.1 (27 Sept.-1 Oct. 2015).
  5. K. Kikuchi, "Clock-recovery and adaptive-equalization characteristics of digital coherent receivers with symbol-rate analog-to-digital conversion," European Conference on Optical Communication (ECOC2015) , Valencia, Spain, P.3.2 (27 Sept.-1 Oct. 2015).
  6. K. Kikuchi, "The past, present, and future of coherent optical fiber communications (Plenary talk)," Advanced Photonics Congress, Boston, MA, USA (27 June-1 July 2015)
  7. K. Kikuchi, "Performance analyses of digital coherent receivers with symbol-rate analog-to-digital conversion," Advanced Photonics Congress/Signal Processing in Photonics Communications (SPPCom), Boston, MA, USA, SpT3D.4 (27 June-1 July 2015)
  8. K. Kikuchi, "Coherent optical communication technology (Tutorial)," Optical Fiber Communications Conference (OFC 2015), Los Angeles, CA, USA, Th4F.4 (22-26 March 2015)
  9. K. Kikuchi, "Simple and efficient algorithm for polarization tracking and demultiplexing in dual-polarization IM/DD systems," Optical Fiber Communications Conference (OFC 2015), Los Angeles, CA, USA, Th1E.3 (22-26 March 2015)
  10. S. Ishimura and K. Kikuchi, " Experimental demonstration of the 8-state trellis-coded 4D-QPSK optical modulation format," Optical Fiber Communications Conference (OFC 2015), Los Angeles, CA, USA, W3K.5 (22-26 March 2015)
  11. Md. S. Faruk and K. Kikuchi, "Frequency-domain adaptive equalizer with rational oversampling rates in coherent optical receivers," European Conference on Optical Communication (ECOC2014) , Cannes, France, P.3.22 (21-25 Sept. 2014)
  12. K. Kikuchi, "The past, present, and future of coherent optical fiber communications," International Conference on Photonics (ICP 2014), Keynote Speech, Kuala Lumpur, Malaysia (Sept. 2-4, 2014)
  13. K. Kikuchi, "Digital manipulation of states of polarization at optical receivers," OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology 2014 (OECC/ACOFT 014), TU4C-1, Melbourne, Australia (6-10 July, 2014)
  14. S. Ishimura and K. Kikuchi, "8-State Trellis-coded optical modulation schemes with 4-dimensional set partitioning," OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology 2014 (OECC/ACOFT 014), TH12B-2, Melbourne, Australia (6-10 July, 2014)
  15. K. Kikuchi and S. Kawakami, "16-ary Stokes-vector modulation enabling DSP-based direct detection at 100 Gbit/s," Optical Fiber Communications Conference (OFC 2014), San Francisco, CA, USA, Th3K.6 (9-13 March 2014)
  16. Md. S. Faruk, Y. Mori, and K. Kikuchi, "Estimation of OSNR for Nyquist-WDM transmission systems using statistical moments of equalized signals in digital coherent receivers," Optical Fiber Communications Conference (OFC 2014), San Francisco, CA, USA, Th2A.29  (9-13 March 2014)
  17. S. Ishimura and K. Kikuchi, "Multi-dimensional permutation modulation aiming at both high spectral efficiency and high power efficiency," Optical Fiber Communications Conference (OFC 2014), San Francisco, CA, USA, M3A.2  (9-13 March 2014)
  18. H. Lu, Y. Mori, C. Han, and K. Kikuchi, "Novel polarization-diversity scheme based on mutual phase conjugation for fiber-nonlinearity mitigation in ultra-long coherent optical transmission systems," European Conference on Optical Communication (ECOC2013), We.3.C.3, London,UK (22-26 Sept. 2013)
  19. Y. Mori, C. Han, H. Lu, and K. Kikuchi, "Wavelength demultiplexing of Nyquist WDM signals under large frequency offsets in digital coherent receivers," European Conference on Optical Communication (ECOC2013), Mo.4.C.6, London,UK (22-26 Sept. 2013)
  20. K. Kikuchi, "Coherent optical communications: past, present and future (Plenary Talk)," The Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2013) & Optoelectronics and Communications Conference (OECC 2013)/ Photonics in Switching (PS 2013), Kyoto, Japan (30 June-4 July 2013)
  21. K. Kikuchi and S.Y. Set, "Proposal of optical-sampling-based constellation monitor for DP-QPSK signals," The Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2013) & Optoelectronics and Communications Conference (OECC 2013)/ Photonics in Switching (PS 2013), TuR2-1, Kyoto, Japan (30 June-4 July 2013)
  22. Md. S. Faruk and K. Kikuchi, "Blind equalization and carrier-phase recovery in QPSK coherent optical receivers based on modified constant-modulus algorithm," The Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2013) & Optoelectronics and Communications Conference (OECC 2013)/ Photonics in Switching (PS 2013), ThR3-7, Kyoto, Japan (30 June-4 July 2013)
  23. K. Igarashi, T. Tsuritani, I. Morita, K. Katoh, and K. Kikuchi, "Frequency stabilization of multiple semiconductor lasers for Nyquist-WDM transmission systems," Optical Fiber Communications Conference (OFC 2013), Anaheim, CA, USA, OTu2I.6 (17-21 March 2013)
  24. Y. Mori and K. Kikuchi, "Dual-stage decision-directed phase estimator enabling perfect frequency-offset elimination in digital coherent optical receivers," Optical Fiber Communications Conference (OFC 2013), Anaheim, CA, USA, OTu3I.7 (17-21 March 2013)
  25. C. Han, K. Igarashi, and K. Kikuchi, "Influence of channel misalignment of time-interleaved DAC on sensitivity degradation in coherent optical receivers," Optical Fiber Communications Conference (OFC 2013), Anaheim, CA, USA, OTh1F.2 (17-21 March 2013)
  26. K. Kikuchi, "Principle of adaptive-filter-based signal processing in digital coherent receivers," European Conference on Optical Communication (ECOC2012), We.1.A.3, Amsterdam, The Netherland (16-20 Sept. 2012)
  27. K.Kikuchi, "Digital coherent transmission," Optoelectronics and Communications Conference (OECC 2012), 5B2-3, Busan, Korea (2-6 July 2012)
  28. Y. Mori, C. Zhang, and K.Kikuchi, "Kerr-effect compensation with parallel single split-steps in digital coherent receivers," Optoelectronics and Communications Conference (OECC 2012), 5B1-2, Busan, Korea (2-6 July 2012)
  29. Md. S. Faruk and K. Kikuchi, "Front-end IQ-error compensation in coherent optical receivers,'' Optoelectronics and Communications Conference (OECC 2012), 4B2-5, Busan, Korea (2-6 July 2012)
  30. Y. Mori, C. Zhang, and K. Kikuchi, "Novel FIR-filter configuration tolerant to fast phase fluctuations in digital coherent receivers for higher-order QAM signals,'' Optical Fiber Communications Conference (OFC 2012), Los Angeles, CA, USA, OTh4C.4 (4-8 March 2012)
  31. K. Kikuchi and M. Osaki, “Highly-sensitive coherent optical detection of M-ary frequency-shift keying signal,” European Conference on Optical Communication (ECOC 2011), Geneva, Switerland, Tu.5.A1 (18-22 Sept. 2011)
  32. Md. S. Faruk and K. Kikuchi, “Monitoring of optical signal-to-noise ratio using statistical moments of adaptive-equalizer output in coherent optical receivers,” Opto-Electronics and Com- munications Conference (OECC 2011), Kaohsiung, Taiwan, 6B4-3 (4-8 July 2011)
  33. Y. Mori and K. Kikuchi, “Carrier-phase-insensitive operation of FIR filters adapted by the decision-directed LMS algorithm in digital coherent optical receivers,” Opto-Electronics and Communications Conference (OECC 2011), Kaohsiung, Taiwan, 7B2-4 (4-8 July 2011)
  34. K. Kikuchi, “Analyses of polarization-multiplexed WDM transmission characteristics of high-order optical QAM signals,” Conference on Lasers and Electro-Optics (CLEO 2011), CThH2, Baltimore, MA, USA (1-6 May 2011)
  35. Md. S. Faruk and K. Kikuchi, “Frequency-domain adaptive equalization in digital coherent receivers,” Conference on Lasers and Electro-Optics (CLEO 2011), CThH7, Baltimore, MA, USA (1-6 May 2011)
  36. K. Igarashi, Y. Mori, K. Katoh, and K. Kikuchi, “Bit-error rate performance of Nyquist wavelength- division multiplexed quadrature phase-shift keying optical signals,” Optical Fiber Communica- tions Conference (OFC 2011), OMR6, Los Angeles, CA, USA (6-10 March 2011)
  37. K. Kikuchi and K. Igarashi, “Characterization of semiconductor-laser phase noise with digital coherent receivers,” Optical Fiber Communications Conference (OFC 2011), OML3, Los Angeles, CA, USA (6-10 March 2011)
  38. Md. S. Faruk, Y. Mori, C. Zhang, K. Igarashi, and K. Kikuchi, “Second-order PMD monitoring from adaptive FIR-filter tap coefficients in a digital coherent receiver,” Optical Fiber Communications Conference (OFC 2011), OWN3, Los Angeles, CA, USA (6-10 March 2011)
  39. K. Kikuchi, “High-speed digital coherent receiver having time-division demultiplexing function,” Asia Communications and Photonics Conference and Exhibition (ACP2010), ThA1, Shanghai, China, (9-12 Dec. 2010)
  40. C. Zhang, Y. Mori, K Igarashi, K. Katoh, and K. Kikuchi, “Ultrafast digital coherent receiver based on parallel processing of decomposed frequency subbands,” European Conference on Op- tical Communication (ECOC 2010), Th.10.A.5, Torino, Italy (19-23 Sept. 2010)
  41. Md. Faruk, Y. Mori, C. Zhang, and K. Kikuchi, “Multi-impairments monitoring from the equal- izer in a digital coherent receiver,” European Conference on Optical Communication (ECOC2010), Th.10.A.1, Torino, Italy (19-23 Sept. 2010)
  42. H. M. Nguyen, K. Igarashi, K. Katoh, and K. Kikuchi, “Tunable optical equalizer for 40-Gbps intensity-modulated signal using PLC-based finite-impulse-response filter,” European Conference on Optical Communication (ECOC 2010), We.8.E.4, Torino, Italy (19-23 Sept. 2010)
  43. K. Kikuchi, “Coherent optical transmission systems,” Optoelectronics and Communications Conference (OECC 2010), 7B1-1, Sapporo, Japan (5-9 July 2010)
  44. K. Kikuchi, “Coherent optical modulation and demodulation,” International Conference on Op- tical Internet (COIN 2010), MoC1-1, The Shilla Jeju, Korea (11-14 July 2010)
  45. H. M. Nguyen, K. Igarashi, K. Katoh, and K. Kikuchi, “Continuously-tunable optical delay line using PLC-based optical FIR filter,” Conference on Lasers and Electro-Optics (CLEO2010), CFE2, San Jose, CA, USA (16-21 May 2010)
  46. C. Zhang, Y. Mori, M. Usui, K. Igarashi, K. Katoh, and K. Kikuchi, “Straight-line 1,073- km transmission of 640-Gbit/s dual-polarization QPSK signals on a single carrier,” European Conference on Optical Communication (ECOC 2009), PD2.8, Vienna, Austria (20-24 Sept. 2009)
  47. Y. Mori, C. Zhang, M. Usui, K. Igarashi, K. Katoh, and K. Kikuchi, “200-km transmission of 100-Gbit/s 32-QAM dual-polarization signals using a digital coherent receiver,” European Conference on Optical Communication (ECOC 2009), 8.4.6, Vienna, Austria (20-24 Sept. 2009)
  48. C. Zhang, Y. Mori, M. Usui, K. Igarashi, K. Katoh, and K. Kikuchi, “Transmission of 160- Gbit/s QPSK signals on a single carrier over 1,000 km using digital coherent receivers,” European Conference on Optical Communication (ECOC 2009), 10.3.6, Vienna, Austria (20-24 Sept. 2009)
  49. H. C. Lim and K. Kikuchi, “Multi-wavelength entanglement distribution for long-distance quantum communications,” The Pacific Rim Conference on Lasers and Electro-Optics (CLEO/PACIFIC RIM 2009), TuB4-2, Shanghai, China (31 August-3 September 2009)
  50. Md. Khairuzzaman, C. Zhang, K. Igarashi, K. Katoh , and K. Kikuchi, “Fiber-nonlinearity equalization by maximum-likelihood-sequence estimation (MLSE) in digital coherent receivers,” Optoelectronics and Communication Conference (OECC 2009), TuK5, Hong Kong (13-17 July2009)
  51. S. Nabeya, K. Igarashi, K. Katoh, and K. Kikuchi, “Optoelectronic 1:4 demultiplexing and clock recovery using dual-port LiNb03 intensity modulators,” OptoElectronics and Communications Conference (OECC 2009), TuJ4, Hong Kong (13-17 July 2009)
  52. H. C. Lim, A. Yoshizawa, H. Tsuchida, and K. Kikuchi, “Excess noise in bandwidth-resource-effcient entanglement distribution,” The European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (CLEO/Europe-EQEC2009), ED.P.7, Munich, Germany (14-19 June 2009)
  53. H. M. Nguyen, K. Igarashi, K. Katoh, and K. Kikuchi, “Bandwidth-and wavelength-tunable comb filter using PLC-based optical transversal filter,” Conference on Lasers and Electro-optics (CLEO 2009), CFV1, Baltimore, Maryland, USA (31 May-5 June 2009)
  54. M. Gao and K. Kikuchi, “The effect of pump-pump four-wave mixing on gain of two-pump phase sensitive optical amplifiers,” Conference on Lasers and Electro-optics (CLEO 2009), CFS2, Baltimore, Maryland, USA (31 May-5 June 2009)
  55. C. Zhang, Y. Mori, K. Igarashi, K. Katoh, and K. Kikuchi, “Demodulation of 1.28-Tbit/s polarization-multiplexed 16-QAM signals on a single carrier with digital coherent receiver,” Optical Fiber Communication Conference (OFC 2009), OTuG3, San Diego, USA (Mar. 2009)
  56. Y. Mori, C. Zhang, K. Igarashi, K. Katoh, and K. Kikuchi, “Phase-noise tolerance of optical 16-QAM signals demodulated with decision-directed carrier-phase estimation,” Optical Fiber Communication Conference (OFC 2009), OWG7, San Diego, USA (Mar. 2009)
  57. H. C. Lim, A. Yoshizawa, H. Tsuchida, and K. Kikuchi, “Ultra-broadband source of telecom-band entangled photon-pairs for wavelength-multiplexed entanglement distribution,” International Symposium on Physics of Quantum Technology (ISPQT), Nara, Japan (25-28 Nov. 2008)
  58. H. C. Lim, A. Yoshizawa, H. Tsuchida, and K. Kikuchi, “Wavelength-multiplexed entanglement distribution over 10 km of fiber,” European Conference on Optical Communications (ECOC2008), postdeadline paper Th.3.D.6, Brussels, Belgium (21-25 Sept. 2008)
  59. K. Igarashi, K. Katoh, and K. Kikuchi, “Generation of 10-GHz 2-ps optical pulse train over the C band based on an optical comb generator and its application to 160-Gbit/s OTDM systems,” European Conference on optical Communication (ECOC 2008), Tu3.D.1, Brussels, Belgium (21-25 Sept. 2008)
  60. C. Zhang, Y. Mori, K. Igarashi, K. Katoh, and K. Kikuchi, “Demodulation of 480-Gbit/s 8PSK OTDM signal with digital coherent receiver,” European Conference on Optical Communication (ECOC 2008), Mo.4.D.6, Brussels, Belgium (21-25 Sept. 2008)
  61. H. C. Lim, A. Yoshizawa, H. Tsuchida, and K. Kikuchi, “Broadband source of polarization- entangled photon-pairs suitable for multi-channel wavelength-multiplexed entanglement distri- bution,” European Conference on Optical Communications (ECOC 2008), Mo.4.F.3, Brussels, Belgium (21-25 Sept. 2008)
  62. K. Kikuchi, “Coherent transmission systems,” Tutorials, European Conference on Optical Com- munication (ECOC 2008), Brussels, Belgium (21-25 Sept. 2008)
  63. Y. Mori, C. Zhang, K. Igarashi, K. Katoh, and K. Kikuchi, “Transmission of 40-Gbit/s 16-QAM signal over 100-km standard single-mode fiber using digital coherent optical receiver,” European Conference on Optical Communication (ECOC 2008), Tu.1.E.4, Belgium, Brussels (21-25 Sept.2008)
  64. H. C. Lim, A. Yoshizawa, H. Tsuchida, and K. Kikuchi, “Distribution of polarization-entangled photon-pairs produced via spontaneous parametric down-conversion over 82 km and 132 km of optical fiber,” Asian Conference on Quantum Information Science (AQIS 2008), Seoul, Korea (25-31 Aug. 2008)
  65. Y. Mori, C. Zhang, K. Igarashi, K. Katoh, and K. Kikuchi, “Unrepeated 200-km transmission of 40-Gbit/s 16-QAM signals using digital coherent optical receiver,” Opto-Electronics and Communications Conference (OECC 2008), postdeadline paper PDP-4, Sydney, Australia (7-10 Jul. 2008)
  66. Y. Mori, K. Igarashi, K. Katoh, and K. Kikuchi, “Decision-feedback carrier-phase estimation for digital coherent optical receivers,” Opto-Electronics and Communications Conference (OECC2008), WeF-4, Sydney, Australia (7-10 Jul. 2008)
  67. K. Kikuchi, “Coherent optical communications,” Optoelectronics and Communications Conference (OECC 2008),WeF-1, Sydney, Australia (7-10 July 2008)
  68. K. Kikuchi, “Polarization-demultiplexing algorithm in the digital coherent receiver,” LEOS Summer Topicals, TuC1.1, Acapulco, Mexico (21-23 July 2008)
  69. K. Kikuchi and S.-Y. Kim, “Investigation of nonlinear impairment effects on optical quadrature phase-shift keying signals transmitted through a long-haul system,” LEOS Summer Topicals, WC2.2, Acapulco, Mexico (21-23 July 2008)
  70. K. Kikuchi, “History of coherent optical communication and challenges for the future,” LEOS Summer Topicals, TuC1.1, Acapulco, Mexico (21-23 July 2008)
  71. H. C. Lim, A. Yoshizawa, H. Tsuchida, and K. Kikuchi, “High quality telecom-band polarization- entangled photon-pairs from a stable, pulse-pumped, short PPLN waveguide,” Quantum Electronics and Laser Science Conference (QELS 2008), QFE2, San Jose, USA (4-9 May 2008)
  72. K. Kikuchi, K. Igarashi, Y. Mori, and Chao Zhang, “Demodulation of 320-Gbit/s optical quadrature phase-shift keying signal with digital coherent receiver having time-division demultiplexing function,” Optical Fiber Communication Conference (OFC 2008), OTuO4, San Diego, CA (Feb.2008)
  73. S.-Y. Kim and K. Kikuchi, “1,000-km polarization-interleaved WDM transmission of 20-Gbit/s QPSK signals on the frequency grid with 12.5-GHz channel spacing using digital coherent re- ceiver,” European Conference on optical Communication (ECOC 2007), 8.3.2, Berlin, Germany (16-20 Sept. 2007)
  74. K. Kikuchi, Y. Ishikawa and Kazuhiro Katoh, “Coherent demodulation of optical quadrature duobinary signal with spectral effciency of 4 bit/s/Hz per polarization,” European Conference on optical Communication (ECOC 2007), 9.3.4, Berlin, Germany (16-20 Sept. 2007)
  75. K. Kikuchi, “Optical homodyne receiver comprising phase and polarization diversities with digital signal processing,” 2007 IEEE/LEOS Summer Topical Meetings, TuA4.5, Portland, OR, USA (23 - 25 July 2007)
  76. K. Kikuchi, “Coherent detection of multi-level coded optical signals,” Optoelectronics and Com munications Conference/International Conference on Integrated Optics and Optical Fiber Com- munication (OECC/IOOC 2007), 11B3-1, Yokohama, Japan (9-13 July 2007)
  77. K. Kikuchi, “Digital coherent optical receivers,” Conference on Optical Internet (COIN/ACOFT2007), WeB3-3, Melbourne, Australia (24-27 June 2007)
  78. K. Kikuchi, “Recent progress in coherent optical communications,” International symposium on next-generation lightwave communications, Hong Kong (11-13 June 2007)
  79. K. Kikuchi, M. Fukase, and S.-Y. Kim, “Electronic post-compensation for nonlinear phase noise in a 1000-km 20-Gbit/s optical QPSK transmission system using the homodyne receiver with digital signal processing,” Optical Fiber Communication Conference (OFC 2007), Anaheim, CA,2007, OTuA2 (25-29 March 2007)
  80. S.-Y. Kim and K. Kikuchi, “1,000-km transmission of 20-Gbit/s QPSK-NRZ co-polarized DWDM signals with spectral effciency of 1 bit/s/Hz using coherent detection,” Optical Fiber Communication Conference (OFC 2007), Anaheim, CA, 2007, OThS4 (25-29 March 2007)
  81. K. Igarashi, K. Katoh, and K. Kikuchi, “Suppression of ASE noise in the signal band by the spectral spread technique,” Optical Fiber Communication Conference (OFC2007), Anaheim, CA, USA, JWA46 (25-29, March 2006)
  82. K. H. Fong, S. Y. Set and K. Kikuchi, “High-energy ultrashort pulse generation from a funda- mentally mode-locked fiber laser at 1.7 MHz,” Optical Fiber Communication Conference (OFC2007), Anaheim, CA, USA., OTuF2 (25-29 March, 2007)
  83. K. K. Chow, K. Kikuchi, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, “Widely tunable wavelength conversion by four-wave mixing in 1-m dispersion-shifted bismuth-oxide photonic crystal fiber,” Optical Fiber Communication Conference (OFC 2007), Anaheim, CA, U.S.A.,, OTuI2 (25-29 March 2007)
  84. K. Kikuchi, ”Coherent detection: Born again?” IEEE LEOS Annual Meeting (LEOS 2006), Montreal, QC, Canada, WP1 (29 Oct.-2 Nov. 2006)
  85. K. Igarashi, K. Katoh, and K. Kikuchi, ”160-Gbit/s OTDM receiver with optoelectronic clock-recovery and demultiplexing functions based on phase modulation and spectral filtering,” Eu ropean Conference on Optical Communication (ECOC2006), Cannes, France, Th3.5.2 (24-28, Sep. 2006)
  86. K. Igarashi, K. Katoh, and K. Kikuchi, ”High-sensitive optoelectronic clock recovery circuit featuring GVD-independent operation,” European Conference on Optical Communication (ECOC2006), Cannes, France, Th4.3.2 (24-28, Sep. 2006)
  87. S. Tsukamoto, Y. Ishikawa, and K. Kikuchi, ”Optical homodyne receiver comprising phase and polarization diversities with digital signal processing,” European Conference on Optical Communication (ECOC 2006), Cannes, France, Mo4.2.1 (24-28 Sept. 2006)
  88. H. C. Lim, D. Wang, T. Tanemura, K. Katoh, and K. Kikuchi, ”All-fiber source of polarization-entangled photon pairs based on a novel birefringence compensated scheme,” LEOS Summer Topical Meetings, Quebec City, Canada, 2006, TuB2.4 (17-19 July 2006)
  89. K. Igarashi, K. Katoh, and K. Kikuchi, ”Optical time-division demultiplexer based on selective spectral shift and spectral filtering,” Optoelectronics and Communications Conference (OECC2006), Kaohsiung, Taiwan, 4F2-2 (3-7, July 2006)
  90. D. Wang, C.S. Goh, S.Y. Set, and K. Kikuchi, ”Rectangular short pulse generation by using strong linearly chirped fiber Bragg gratings,” Optoelectronics and Communications Conference (OECC2006), Kaohsiung, Taiwan, 5D1-2 (3-7, July 2006)
  91. K. Kikuchi, “Phase-diversity homodyne receiver for coherent optical communications,” Coherent Optical Technologies and Applications (COTA 2006), Whistler, British Columbia, Canada, CThB3 (25-30 June 2006)
  92. K. H. Fong, S. Y. Kim, H. Yaguchi and S. Y. Set and K. Kikuchi, “Generation of low-repetition rate high-energy picosecond pulses from a single-wall carbon nanotube mode-locked fiber laser,” Optical Amplifiers and their Applications (OAA 2006), Whistler, British Columbia, Canada, June 25-30 2006, paper OMD4
  93. J. H. Lee, C. H. Kim, Y.G. Han, S.B. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Chromatic dispersion compensation in a transmission link using a stimulated Brillouin scattering free, Bismuth nonlinear optical fiber based phase conjugator,” Conference on Lasers and Electro-Optics (CLEO2006), Long Beach, CA, USA, CMT1 (21-26, May 2006)
  94. K. H. Fong, K. Kikuchi, C. S. Goh, S. Y. Set, R. Grange, M. Haiml, and U. Keller, “Single wall Carbon nanotube for mode locking solid-state Er:Yb:glass laser,” Conference on Lasers and Electro-Optics (CLEO 2006), CMQ4, Long Beach, CA,May 22-25, 2006
  95. J. H. Lee, S. Ohara, T. Nagashima, T. Hasegawa, N. Sugimoto, K. Igarashi, K. Katoh, and K. Kikuchi, “A high speed OTDM receiver of clock recovery and demultiplexing using Bismuth Oxide-based nonlinear fiber and Erbium-doped Bismuth Oxide fiber, ” Conference on Lasers and Electro-Optics (CLEO 2006), CMT2, Long Beach, CA, May 22-25, 2006
  96. K. Igarashi, K. Katoh, and K. Kikuchi, “Optical time-division demultiplexer based on selective spectral shift and spectral filtering,” Conference on Lasers and Electro-Optics (CLEO 2006), CMAA1, Long Beach, CA, May 22-25, 2006
  97. J. H. Lee, Y.-G. Han, S. B. Lee, and K. Kikuchi, “Continuous-wave supercontinuum generation from a simple ring cavity laser composed of double clad Er/Yb codoped fiber and highly nonlinear optical fiber,” Conference on Lasers and Electro-Optics (CLEO 2006), CMGG4, Long Beach, CA, May 22-25, 2006
  98. D. Wang, S. Fujioka, H. C. Lim, K. Thanakom, S.-Y. Kim, K. Kikuchi, C. S. Goh, and S. Y. Set, “Rectangular short pulse generation by using strong unchirped fiber Bragg grating,” Conference on Lasers and Electro-Optics (CLEO 2006), JThC105, Long Beach, CA, May 22-25, 2006
  99. S. Tsukamoto, K. Katoh and K. Kikuchi, “Coherent demodulation of optical 8-phase shift-keying signals using homodyne detection and digital signal processing,” Optical Fiber Communication Conference (OFC 2006), OThR5, Anaheim, CA, March 5-10, 2006
  100. S. Tsukamoto, K. Katoh and K. Kikuchi, “Unrepeated 20-Gbit/s QPSK transmission over 200-km standard single-mode fiber using homodyne detection and digital signal processing for dispersion compensation,” Optical Fiber Communication Conference (OFC 2006), OWB4, Anaheim, CA, March 5-10, 2006
  101. K. Kikuchi, “Coherent detection of phase-shift keying signals using digital carrier-phase estimation,” Optical Fiber Communication Conference (OFC 2006), OTuI4, Anaheim, CA, March 5-10, 2006
  102. J. H. Lee, T. Nagashima, S. Ohara, T. Hasegawa, N. Sugimoto, and K. Kikuchi, “Cross phase modulation-based, tunable wavelength conversion of 10-Gbit/s NRZ signal using 1-m Bismuth Oxide-based nonlinear optical fiber,” Optical Fiber Communication Conference (OFC 2006), OFH1, Anaheim, CA, March 5-10, 2006
  103. T. Tanemura and K. Kikuchi, “Optical intensity discriminator based on strongly enhanced ellipse rotation in circular-birefringence fiber,” Optical Fiber Communication Conference (OFC 2006), OThA5, Anaheim, CA, March 5-10, 2006
  104. K. Igarashi, K. Katoh, and K. Kikuchi, “Clock extraction from 160-Gbit/s signal using opto- electronic phase-locked loop based on optical phase modulation and spectral filtering,” Optical Fiber Communication Conference (OFC 2006), OTuB4, Anaheim, CA, March 5-10, 2006
  105. J.H. Lee and K. Kikuchi, “Continuous-wave supercontinuum generation from an erbium-doped fiber ring laser incorporating a highly nonlinear optical fiber,”Optical Fiber Communication Conference (OFC 2006), OFH2, Anaheim, CA, March 5-10, 2006
  106. T. Kiatchanog, K. Igarashi, T. Tanemura, D. Wang, K. Katoh, and K. Kikuchi, “Real-time all-optical waveform sampling using a free-running passively mode-locked fiber laser as the sampling pulse source,” Optical Fiber Communication Conference (OFC 2006), OWN1, Anaheim, CA, March 5-10, 2006
  107. K. Kikuchi, “Recent progress in coherent optical communications and signal processing,” The 4th International Conference on Optical Communications and networks (ICOCN 2005), Bangkok, Thailand, Dec. 14-16, 2005
  108. K. Igarashi, K. Katoh, and K. Kikuchi, “Prescaled optoelectronic phase-locked loop using a highly sensitive phase comparator based on phase modulation and spectral filtering,” 2005 IEEE LEOS Annual Meeting, WDD3, Sydney, Australia, Oct. 23-27, 2005
  109. K. Kikuchi, “Parametric signal processing in optical fibers and semiconductor optical amplifiers,” Frontiers in Optics 2005 (The 89th OSA Annual Meeting), FThB3, Tucson, Arizona, Oct.16-20,2005
  110. K. Igarashi, K. Katoh, and K. Kikuchi, “Generation of 10-GHz, 2-ps optical pulse train with high extinction ratio and low timing jitter from a continuous wave tunable over the entire C band,” European Conference on Optical Communication (ECOC 2005), Glasgow, U.K., Mo3.4.2, Sept.25-29, 2005
  111. T. Tanemura, J.H. Lee, D. Wang, K. Katoh, and K. Kikuchi, “160-Gb/s polarization-insensitive wavelength conversion using cross-phase modulation in a circular-birefringence highly nonlinear fiber,” European Conference on Optical Communication (ECOC 2005), Glasgow, U.K., Mo4.5.4, Sept. 25-29, 2005
  112. J. Suzuki, T. Tanemura, and K. Kikuchi, “All-optical regeneration of 40-Gb/s low-Q signal using XPM-induced wavelength shift in highly-nonlinear fiber,” European Conference on Optical Communication (ECOC 2005), Glasgow, U.K., Tu3.3.1, Sept. 25-29, 2005
  113. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Wavelength-conversion and demultiplexing of an 80 Gbit/s signal XPM-induced wavelength shift in bismuth oxide-based nonlinear fibre,” European Conference on Optical Communication (ECOC 2005), Glasgow, U.K., Tu3.3.5, Sept. 25-29, 2005
  114. J.H. Lee, T. Tanemura, T. Nagashima, T. Hasegawa, S. Ohara, and N. Sugimoto, and K.Kikuchi, “Comparison of Kerr nonlinearity figure-of-merit including stimulated Brillouin scattering for bismuth oxide- and silica-based nonlinear fibres,” European Conference on Optical Communication (ECOC 2005), Glasgow, U.K., We3.4.3, Sept. 25-29, 2005
  115. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “All fiber- based 160-Gbit/s add/drop multiplexer incorporating a 1-m-long Bismuth Oxide-based ultra-high nonlinearity fiber,” OptoElectronics and Communications Conference (OECC 2005), PDP-06, Seoul, Korea, July 4-8, 2005
  116. Y. Hirota, J. Suzuki, Y. Takushima, and K. Kikuchi, “Fast in-service dispersion monitoring in 40-Gb/s systems by using a dithered optical filter,” OptoElectronics and Communications Conference (OECC 2005), 6B3-3, Seoul, Korea, July 4-8, 2005
  117. C. -S. Goh, S. Y. Set, D. Wang and K. Kikuch, “Spectrum tuning of fiber Bragg gratings by strain distributions,” OptoElectronics and Communications Conference (OECC 2005), 8E3-4, Seoul, Korea, July 4-8, 2005
  118. K. Igarashi, K. Katoh, and K. Kikuchi, “Widely tunable 10-GHz picosecond optical pulse generator based on phase modulation, chirp compensation and nonlinear filtering,” OptoElectronics and Communications Conference (OECC 2005), 6D3-5, Seoul, Korea, July 4-8, 2005
  119. K. -H. Fong, C. -S. Goh, S. Y. Set and K. Kikuchi, “All-fiber intracavity group-velocity dispersion tuning for modelocked fiber lasers,” OptoElectronics and Communications Conference (OECC2005), 8D1-5, Seoul, Korea, July 4-8, 2005
  120. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “All-optical 80-Gbit/s wavelength conversion using 1-m Bismuth nonlinear optical fiber,” OptoElectronics and Communications Conference (OECC 2005), 6D3-2, Seoul, Korea, July 4-8, 2005
  121. T. Liu, C. -S. Goh, D. Feng, S. Y. Set and K. Kikuchi, “Fabrication of 40-GHz FBG-based vestigial sideband filter designed by time-domain inverse scattering algorithm,” OptoElectronics and Communications Conference (OECC 2005), 8D2-2, Seoul, Korea, July 4-8, 2005
  122. T. Tanemura, J. Suzuki, K. Katoh, and K. Kikuchi, “All-optical polarization-insensitive time-division demultiplexing using cross-phase modulation in twisted fiber and optical filtering,” OptoElectronics and Communications Conference (OECC 2005), 6D3-3, Seoul, Korea, July 4-8, 2005
  123. D. Wang, C. -S. Goh, D. J. Feng, S. Y. Set and K. Kikuchi, “Bandpass filters based on chirped fiber Bragg gratings with direct-coupled resonators,” OptoElectronics and Communications Conference (OECC 2005), 8D3-4, Seoul, Korea, July 4-8, 2005
  124. T. Kiatchanog , T. Tanemura, J. Suzuki, and K. Kikuchi, “Effcient algorithm for real-time optical eye monitoring using asynchronous sampling pulse,” OptoElectronics and Communications Conference (OECC 2005), 6B3-6, Seoul, Korea, July 4-8, 2005
  125. J. Suzuki, T. Tanemura, and K. Kikuchi, “All-optical regenerator based on XPM- induced wavelength shift in highly-nonlinear fiber at 40 Gb/s,” Conference on Lasers and Electro-Optics (CLEO 2005), CMQ6, Baltimore, MA, May 22-27, 2005
  126. J. H. Lee, T. Tanemura, Y. Takushima, and K. Kikuchi, “All-optical 80 Gbit/s OTDM add-drop multiplexer using a single fiber-based nonlinear optical loop mirror,” Conference on Lasers and Electro-Optics (CLEO 2005), CTuO2, Baltimore, MA, May 22-27, 2005
  127. T. Tanemura, K. Katoh, and K. Kikuchi, “Polarization- insensitive nondegenerate four-wave mixing using circularly polarized pumps in twisted fiber,” Conference on Lasers and Electro-Optics (CLEO 2005), CWK1, Baltimore, MA, May 22-27, 2005
  128. J. H. Lee, T.. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “80 Gbit/s OTDM demultiplexer based on polarization rotation and XPM induced wavelength shift in a 1-m Bi2O3 nonlinear fiber,” Conference on Lasers and Electro-Optics (CLEO 2005), CWK4,Baltimore, MA, May 22-27, 2005
  129. S. Tsukamoto, D.-S. Ly-Gagnon,.K. Katoh, and K. Kikuchi, “Demodulation of Co-polarized 20- Gbit/s QPSK signals with 16-GHz spacing after 200-km transmission using coherent detection and digital signal processing,” Conference on Lasers and Electro-Optics (CLEO 2005), CWO3, Baltimore, MA, May 22-27, 2005
  130. C.S. Goh, K. Kikuchi, S.Y. Set, D. Tanaka, T. Kotake, M. Jablonski, S. Yamashita, and T. Kobayashi, “Femtosecond mode-locking of a ytterbium-doped fiber laser using a carbon- nanotube-based mode-locker with ultra-wide absorption band,” Conference on Lasers and Electro- Optics (CLEO 2005), CThG2, Baltimore, MA, May 22-27, 2005
  131. T. Hasegawa, T. Nagasima, N. Sugimoto, and K. Kikuchi, “Bismuth-based extra-high nonlinear optical fiber,” Conference on Lasers and Electro-Optics (CLEO 2005), CFC2, Baltimore, MA, May 22-27, 2005
  132. T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Transparent Bi2O3-based nonlinear optical fiber with erbium doping,” OFC/NFOEC 2005, March 6-11, 2005, Anaheim, OThA1
  133. T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, and K. Kikuchi, “Multi-step-index Bismuth-based highly nonlinear fiber with low propagation loss and splicing loss,” OFC/NFOEC 2005, March 6-11, 2005, Anaheim, OThA2
  134. J. Suzuki, T. Tanemura, K. Taira, Y. Ozeki, and K. Kikuchi, “All-optical regenerator using wavelength shift induced by cross-phase modulation in highly-nonlinear fibers,” OFC/NFOEC 2005, March 6-11, 2005, Anaheim, OME64
  135. T. Tanemura, J. Suzuki, K. Katoh, and K. Kikuchi, “Polarization-insensitive 40-Gb/s wavelength converter using cross-phase modulation in twisted fiber and optical filtering,” OFC/NFOEC 2005, March 6-11, 2005, Anaheim, OFH8
  136. D.-S. Ly-Gagnon, K. Katoh and K. Kikuchi, “Unrepeated 210-km transmission with coherent detection and digital signal processing of 20-Gb/s QPSK signal,” OFC/NFOEC 2005, March 6-11, 2005, Anaheim, OTuL4
  137. S. Tsukamoto, D.-S. Ly-Gagnon, K. Katoh and K. Kikuchi, “Coherent demodulation of 40-Gbit/s polarization-multiplexed QPSK signals with 16-GHz spacing after 200-km transmission,” OFC/NFOEC 2005, March 6-11, 2005, Anaheim, PDP29
  138. J. H. Lee, T. Nagashima, T. Hasegawa, S. Ohara, and N. Sugimoto, T. Tanemura, and K.Kikuchi, “Wavelength conversion of 40-Gbit/s NRZ signal using four-wave mixing in 40-cm-long Bismuth Oxide based highly nonlinear optical fiber,” OFC/NFOEC 2005, March 6-11, 2005, Anaheim, PDP23
  139. K. Kikuchi, “Highly functional photonic networks using photonic nanostructure devices,” CPT 2005, Jan.12-14, 2005, Tokyo, Paper G1
  140. K. Kikuchi, “Ultra-high speed optical signal processing through third-order fiber nonlinearity,” Photonics West, San Jose, Jan.22-27, Paper 5725-36
  141. D.-S. Ly-Gagnon, K. Katoh, and K. Kikuchi, “Coherent demodulation of differential 8-phase-shift keying with optical phase diversity and digital signal processing,” IEEE LEOS Annual Meeting, Rio Grande, Puerto Rico, Nov.7-11, 2004, Paper WR2
  142. D.Wang, J. Suzuki, K. Thanakom, C.S. Goh, S.Y. Set, and K. Kikuchi, “Multiplication of optical-pulse repetition rate from 40 GHz to 160 GHz by using phase-sampled fiber Bragg gratings,” IEEE LEOS Annual Meeting, Rio Grande, Puerto Rico, Nov.7-11, 2004, Paper TuZ2
  143. K. Kikuchi, K. Taira, and T. Tanemura, “All-optical signal processing using nonlinear fibers,” ITCom 2004, Philadelphia, Oct.25-28, 2004, Paper 5595-39
  144. Y. Ozeki, Y. Takushima, and K. Kikuchi, “Reduction of mode partition noise in mode-locked semiconductor lasers by using nonlinear optical loop mirror,” 30th European Conference on Optical Communication, Stockholm, Sweden, Sept. 5-9, 2004, We4.P.097
  145. D.X. Wang, C.S. Goh, S.Y. Set, and K. Kikuchi, “Tunable multi-channel dispersion compensators based on phase sampled fibre Bragg gratings,” 30th European Conference on Optical Communication, Stockholm, Sweden, Sept. 5-9, 2004, Tu1.3.6
  146. D.-S. Ly-Gagnon and K. Kikuchi, “Cancellation of nonlinear phase noise in DPSK transmission systems using optical phase conjugation,” OECC/COIN 2004, July 12-16, 2004, Yokohama, Paper 14C3-3
  147. K. Ishida, K. Shimizu, T. Mizuochi, K. Motoshima, D.-S. Ly-Gagnon and K. Kikuchi, “Performance evaluation of SSB modulator-based 20 Gb/s RZ-DQPSK transponder,” OECC/COIN 2004, July 12-16, 2004, Yokohama, Paper 16C2-2
  148. C. S. Goh, S. Y. Set, and K. Kikuchi, “Variable-bandwidth optical add/drop multiplexers based on fiber Bragg gratings,” OECC/COIN 2004, July 12-16, 2004, Yokohama, Paper 16D1-1
  149. T. Sakamoto, Y. Fukuchi, and K. Kikuchi, “Ultra-fast operation of optical limiter based on modulation instability in highly-nonlinear dispersion-shifted fiber,”OECC/COIN 2004, July 12-16, 2004, Yokohama, Paper 16E1-5
  150. T. Liu, C.S. Goh, S.Y. Set, and K. Kikuchi, “Dispersion-enhanced tunable dispersion compensators based on cascaded strain-chirped fiber Bragg gratings,”OECC/ COIN 2004, July 12-16, 2004, Yokohama, Paper 16D2-4
  151. D. Wang, C.S. Goh, S.Y. Set, and K. Kikuchi, “Fablication of purely phase sampled fiber Bragg gratings by the technique of displacing and dithering phase mask,” OECC/COIN 2004, July 12-16, 2004, Yokohama, Paper 16D1-2
  152. T. Tanemura, Y. Ozeki, and K. Kikuchi, “Modulational instability induced byloss dispersion in optical fiber,” Conference on Lasers and Electro-Optics (CLEO’04), San Francisco, May 16-21, 2004, CTuS5
  153. J. Suzuki, K. Taira, Y. Fukuchi, Y. Ozeki, T. Tanemura, and K. Kikuchi, “All-optical time-division add-drop multiplexer using an optical fiber Kerr shutter,”Conference on Lasers and Electro Optics (CLEO’04), San Francisco, May 16-21, 2004, CTuV5
  154. Y. Ozeki, Y. Takushima, K. Taira, and K. Kikuchi, “Clean similariton generation from an initial pulse optimized by the backward propagation method,”Conference on Lasers and Electro Optics (CLEO’04), San Francisco, May 16-21, 2004, CTuBB5
  155. Y. Ozeki, Y. Takushima, K. Taira, and K. Kikuchi, “Generation of 10-GHz similariton pulses using Erbium-doped fiber amplifiers for application to multiwavelength sources,” Conference on Lasers and Electro Optics (CLEO’04), San Francisco, May 16-21, 2004, CTuK2
  156. K. Yasunaka, Y. Takushima, Y. Ozeki, and K. Kikuchi, “87-nm bandwidth noise-like pulse generation from Erbium-doped fiber laser,” Conference on Lasers and Electro Optics (CLEO’04), San Francisco, May 16-21, 2004, CThGG6
  157. N. Sugimoto, T. Nagashima, T. Hasegawa, S. Ohara, K. Taira, and K. Kikuchi, “Bismuth-based optical fiber with nonlinear coeffcient of 1360 W1km1,” Optical Fiber Communication Conference (OFC’04), PDP26, Los Angeles, Feb. 2004
  158. T. Tanemura, Y. Ozeki, and K. Kikuchi, “Loss-induced parametric amplification in optical fiber,” Optical Fiber Communication Conference (OFC’04), TuC5, Los Angeles, Feb. 2004
  159. K. Ishida, K. Shimizu, T. Mizuochi, K. Motoshima, D.-S. Ly-Gagnon, and K. Kikuchi, “Trans- mission of 20 x 20 Gb/s RZ-DQPSK signals over 5090 km with 0.53 b/s/Hz spectral effciency,” Optical Fiber Communication Conference (OFC’04), FM2, Los Angeles, Feb. 2004
  160. T. Nagashima, T. Hasegawa, S. Ohara, N. Sugimoto, K. Kikuchi, and K. Taira, “Bi2O3-based highly nonlinear fiber with step index structure,” Photonics West, 5350-07, San Jose, California, USA, January 24-29, 2004
  161. T. Tanemura, C.S. Goh, K. Kikuchi, and S.Y. Set, “Widely tunable wavelength conversion using nondegenerate fiber four-wave mixing driven by co-modulated pump waves,” 29th European Conference on Optical Communication (ECOC’03), We3.7.3, Rimini, Italy, Sept. 2003
  162. Y. Ozeki, H. Yoshimi, Y. Takushima, K. Kikuchi, H. Yamauchi, and H. Taga, “Intensity and phase characterization of pico-second pulses in long-haul dispersion-managed transmission systems,” 29th European Conference on Optical Communication (ECOC’03), Mo4.2.2, Rimini, Italy, Sept. 2003
  163. K. Kikuchi, “All-optical signal processing using fiber nonlinearity,” 29th European Conference on Optical Communication (ECOC’03), We3.7.2, Rimini, Italy, Sept. 2003
  164. T. Sakamoto, T. Tanemura, and K. Kikuchi, “Nonlinear optical loop mirror with an optical bias controller for achieving full-swing operation of gate switching,”29th European Conference on Optical Communication (ECOC’03), Th3.2.3, Rimini, Italy, Sept. 2003
  165. T. Sakamoto, K. Seo, K. Taira, N. S. Moon, and K. Kikuchi, “Polarization-insensitive all-optical time-division demultiplexer using a fiber four-wave mixer and a peak-holding optical phase-locked loop,” 29th European Conference on Optical Communication (ECOC’03), Th3.2.1, Rimini, Italy, Sept. 2003
  166. C. S. Goh, Sze Y. Set, and K. Kikuchi, “An adjustable pure dispersion slope compensating- module without center wavelength shift based on strain-chirped fiber Bragg gratings,” 8th Opto Electronics and Communications Conference (OECC’03), 14B2-5. Shanghai, China, October 19-22, 2003
  167. K. Taira, R. Ohta, Y. Ozeki, Y. Fukuchi, K. Katoh and K. Kikuchi, “Background-free optical sampling system using Si avalanche photodiode as two-photon absorber,” 8th Opto Electronics and Communications Conference (OECC’03), 16D1-2, Shanghai, China, October 19-22, 2003
  168. K. Kikuchi, “All-optical signal processing with super-continuum generated from optical fibers,”8th Opto Electronics and Communications Conference (OECC’03), 15A1-1, Shanghai, China, October 19-22, 2003
  169. K. Taira and K. Kikuchi, “Wavelength-tunable picosecond pulse generation employing an electroabsorption modulator and a pulse reshaper based on spectral slicing of supercontinuum, ” Conference on Lasers and Electro-Optics (CLEO’03), CThQ3, Baltimore, USA, July 1-6, 2003
  170. T. Tanemura, K. Kikuchi, “Polarization- independent optical wavelength conversion with a gain using two-pump fiber parametric amplification without idler spectral broadening,” Conference on Lasers and Electro-Optics (CLEO’03), CWA64, Baltimore, June 2003
  171. S. Y. Set, H. Yaguchi, Y. Tanaka, M. Jablonski, Y. Sakakibara, M. Tokumoto, H. Kataura, Y. Achiba, and K. Kikuchi, “A dual-regime mode-locked/Q-switched laser using a saturable absorber incorporating Carbon nanotubes (SAINT),” Conference on Lasers and Electro-Optics (CLEO’03), CThPDA9, Baltimore, June 2003
  172. Y. Sakakibara, A. Rozhin, M. Tokumoto, H. Kataura, Y. Achiba, S.Y. Set, H. Yaguchi, M. Jablonski, Y. Tanaka, and K. Kikuchi, “Nonlinear optical thin film devices using saturable absorption of single wall Carbon nanotubes for optical telecommunication,” The 203rd Meeting of The Electrochemical Society, R5-1472, Paris, France, 27 April-2 May 2003
  173. S.Y.Set, H.Yaguchi, Y.Tanaka, M. Jablonski, Y. Sakakibara, A. Rozhin, M. Tokumoto, H. Kataura, Y.Achiba, and K. Kikuchi, “Mode-locked fiber lasers based on a satirable absorber in-corporating Carbon Nanotubes,” Optical Fiber Communication Conference (OFC’03), Atlanta,GA, March 2003, PD44
  174. Y.Takushima, H.Yoshimi, Y.Ozeki, K.Kikuchi, H.Yamauchi, and H.Taga, “In-service dispersion monitor in 32x10.7Gbps WDM transmission system over trans-Atlantic distance by optical frequency-modulation method,” Optical Fiber Communication Conference (OFC’03), Atlanta, GA, March 2003, PD13
  175. N.S. Moon, F. Kubota, C.S. Goh, and K. Kikuchi, “A simple-structured independently bidirectional 2 x 2 optical cross-connect for single fiber bi-directional ring networks,” Optical Fiber Communication Conference (OFC’03), Atlanta, GA, March 2003, WG5
  176. Y. Ozeki, Y. Takushima, and K. Kikuchi, “High dynamic range characterization of waveform and frequency-chirp of pico-second pulses based on the precise measurement of group delay in optical frequency domain,” Optical Fiber Communication Conference (OFC’03), Atlanta, GA, March 2003
  177. C.S. Goh, M.R. Mokhtar, S.A. Butler, S.Y. Set, K. Kikuchi, and M. Ibsen, “Greater than 90nm continuously wavelength-tunable fibre Bragg gratings,” Optical Fiber Communication Conference (OFC’03), Atlanta, GA, March 2003, FC5
  178. H. Yoshimi, Y. Takushima, and K. Kikuchi, “Experimental demonstration of in-service dispersion monitoring in the whole transmission bandwidth of WDM systems by optical frequency-modulation method,” Optical Fiber Communication Conference (OFC’03), Atlanta, GA, March 2003, ThY5
  179. S.Y. Set, H. Yaguchi, M. Jablonski, Y. Tanaka, Y. Sakakibara, A. Rozhin, M. Tokumoto, H. Kataura, Y. Achiba, and K. Kikuchi, “A noise suppressing saturable absorber at 1550nm based on carbon nanotube technology,” Optical Fiber Communication Conference (OFC’03), Atlanta,GA, March 2003, FL2
  180. S.Y. Set, M. Jablonski, T. Kotate, K. Furuki, M. Tojo, Y. Tanaka, N. Sugimoto, and K. Kikuchi, “Low nonlinearity Bismuth Oxide-based Erbium-doped fiber amplifiers for short pulse amplification,” Optical Fiber Communication Conference (OFC’03), Atlanta, GA, March 2003, FB7
  181. M. Jablonski, K. Sato, D. Tanaka, H. Yaguchi, S.Y. Set, K. Furuki, K. Yamada, B. Buchholtz, Y. Tanaka, and K. Kikuchi, “Removal of the dispersion limitations in FBG filters using a thin-film based allpass device,” Optical Fiber Communication Conference (OFC’03), Atlanta, GA, March 2003, FC3
  182. N.S. Moon, C.S. Goh, K. Kikuchi, and F. Kubota, “A novel bidirectional wavelength add-drop multiplexer based on fiber bragg gratings and 4-port optical circulators,” The 15th Annual Meeting of the IEEE Lasers & Electro-Optics Society (LEOS’02), TuV3, Glasgow, Scotland, 10-14 Nov. 2002
  183. K. Kikuchi, “All-optical signal processing using fiber nonlinearity,” The 15th Annual Meeting of the IEEE Lasers & Electro-Optics Society (LEOS’02), WI1, Glasgow, Scotland, 10-14 Nov.2002
  184. B. Dabarsyah, C.S. Goh, S.K. Khijwania, S.Y. Set, K. Katoh, and K. Kikuchi, “Adjustable dispersion compensators with wavelength tunability based on enhanced thermal chirping of fiber Bragg gratings,” 28th European Conference on Optical Communication (ECOC’02), P1.17, Copenhagen, Denmark, 8-12 Sept. 2002
  185. H. Yoshimi, Y. Takushima, and K. Kikuchi, “A simple method for estimating the eye-opening penalty caused by group-delay ripple of optical filters,” 28th European Conference on Optical Communication (ECOC’02), 10.4.4, Copenhagen, Denmark, 8-12 Sept., 2002
  186. K. Kikuchi, Y. Fukuchi, A. Suzuki, D. Kunimatsu, and H. Ito, “Ultrafast operation of optical time-division demultiplexer using quasu-phase matched LiNbO3 device,” 28th European Conference on Optical Communication (ECOC’02), 8.4.2, Copenhagen, Denmark, 8-12 Sept., 2002
  187. M. Jabronski, Y. Tanaka, and K. Kikuchi, “Thin-film based dispersion compensation technology and challenges,” SPIE International Symposium ITCom (ITCom 2002), 29 July-2 Aug. 2002, Boston, MA, Proc. of SPIE, vol.4870, pp.264-278
  188. Y. Ozeki, K. Taira, Y. Takushima, and K. Kikuchi, “Novel method of extremely flat supercontinuum generation using distributed optical gain in long Erbium-doped fiber amplifier,” Optical Amplifiers and their Applications (OAA’02), OMD2, Vancouver, Canada, 14-17 July 2002
  189. K. Taira, K. Kikuchi, and N. Sugimoto, “Dispersion and pulse amplification characteristics of Bismuth Oxide-based Erbium doped fiber amplifiers,” Optical Amplifiers and their Applications (OAA’02), OTuC2-3, Vancouver, Canada, 14-17 July 2002
  190. C.S. Goh, M.R. Mokhtar, S.A. Butler, S.Y. Set, K. Kikuchi, and M. Ibsen, “Over 70 nm waide-band tuning of fiber Bragg gratings using a compressive bending technique,” 7th Optoelectronics and Communication Conference (OECC 2002), PD-2-1, Yokohama, Japan, 8-12 July 2002
  191. Y. Takushima, H. Yoshimi, K. Kikuchi, H. Yamauchi, and H. Taga, “Experimental demon- stration of in-service dispersion monitoring in 960-km WDM transmission system using optical frequency-modulation method,” 7th Optoelectronics and Communication Conference (OECC 2002), 12B4-3, Yokohama, Japan, 8-12 July 2002
  192. S.Y. Set, C.S. Goh, and K. Kikuchi, “42 GHz pulse train generation in a figure-8 laser incorporating a sampled fibre Bragg grating,” 7th Optoelectronics and Communication Conference (OECC 2002), 12D3-2, Yokohama, Japan, 8-12 July 2002
  193. X. Wang, D. Kunimatsu, A. Suzuki, and K. Kikuchi, “Restrictions in long distance 160-Gb/s midway optical phase conjugation transmission,” Conference on Lasers and Electro-Optics (CLEO’02), CThO45, Long Beach, CA, 19-24 May 2002
  194. H. Yoshimi, Y. Takushima, and K. Kikuchi, “Novel optical fiber dispersion monitor using optical single sideband modulation,” Conference on Lasers and Electro-Optics (CLEO’02), CThU1, Long Beach, CA, 19-24 May 2002
  195. T. Tanemura, Y. Takushima, and K. Kikuchi, “Shape-controllable narrowband optical filter using stimulated Brillouin scattering,” Conference on Lasers and Electro-Optics (CLEO’02), CWH3, Long Beach, CA, 19-24 May 2002
  196. C.S. Goh, K. Kikuchi, and S.Y. Set, “Design and demonstration of highly versatile nonlinearly strain-chirped fiber Bragg gratings for tunable dispersion slope compensation,” Conference on Lasers and Electro-Optics (CLEO’02), CWH4, Long Beach, CA, 19-24 May 2002
  197. S. Y. Set, K. Hsu, P. J. Santangelo, C. S. Goh, and K. Kikuchi, “Intra-cavity-modulated swept-lasers for real-time dispersion measurement,” Optical Fiber Communication Conference (OFC’02), March 17-22, 2002, Anaheim, CA, USA., WK4
  198. K. Kikuchi, K. Taira, and N. Sugimoto, “Highly-nonlinear Bismuth Oxide-based glass fibers for all-optical signal processing,” Optical Fiber Communication Conference (OFC’02), March 17-22, 2002, Anaheim, CA, USA., ThY6
  199. S.Y. Set, M. Ibsen, C.S. Goh and K. Kikuchi, “Simple broadrange tuning of fibre-DFB lasers,” in Proceedings of 27th European Conference on Optical Communication (ECOC’01), Sept. 30-Oct.4, 2001, Amsterdam, The Netherlands, TuL3.4, vol. 2, pp. 194-195
  200. Y. Takushima and K. Kikuchi, “A novel method for optical fibre dispersion measurement and its application to in-service monitor,” in Proceedings of 27th European Conference on Optical Communication (ECOC’01), Sept. 30-Oct. 4, 2001, Amsterdam, The Netherlands, WeL1.5, vol.3, pp. 276-277
  201. T. Tanemura, H. C. Lim, and K. Kikuchi, “Highly effcient fiber four-wave mixing without idler spectral broadening by binary phase-shift-keying modulation of pump wave,” in Proceedings of 27th European Conference on Optical Communication (ECOC’01), Sept. 30-Oct. 4, 2001, Amsterdam, The Netherlands, WeL3.2, vol. 3, pp. 372-373
  202. Y. Fukuchi and K. Kikuchi, “ Ultrafast operation of four-wave mixing switches using the quasi- phase matched cascaded second-order nonlinear effect,” in Proceedings of 27th European Con- ference on Optical Communication (ECOC’01), Sept. 30-Oct. 4, 2001, Amsterdam, The Nether- lands, WeP9, vol. 3, pp. 396-397
  203. N. S. Moon, C. S. Goh, S. K. Khijwania, and K. Kikuchi, “Experimental demonstration of fiber Bragg grating based optical cross-connect for WDM networks,” in Proceedings of 27th European Conference on Optical Communication (ECOC’01), Sept. 30-Oct. 4, 2001, Amsterdam, The Netherlands, ThL1.1, vol. 4, pp. 538-539
  204. M. Jablonski, Y. Tanaka, H. Yaguchi, K. Furuki, N. Higashi, and K.Kikuchi, “Dynamic dispersion-slope compensation using coupled four-cavity filters in a multi-reflection arrangement,” in Proceedings of 27th European Conference on Optical Communication (ECOC’01), Sept. 30-Oct. 4,
    2001, Amsterdam, The Netherlands, ThB2.2, vol. 4, pp. 596-597
  205. C. S. Goh, S. Y. Set, K. Taira, S. K. Khijwania and K. Kikuchi, “An adjustable dispersion slope compensator based on nonlinearly strain-chirped fiber Bragg gratings,” in Proceedings of 27th European Conference on Optical Communication (ECOC’01), Sept. 30-Oct. 4, 2001, Amsterdam, The Netherlands, postdeadline paper, PDA1.3, vol. 6, pp. 50-51
  206. M. Jablonski, Y. Tanaka, H. Yaguchi, K. Furuki, K. Sato, N. Higashi, and K. Kikuchi, “Thin-film based coupled-cavity all-pass filters for dynamic dispersion-slope compensation,” IEEE/LEOS Summer Topical Meetings, July 30-Aug 1, 2001, Colorado, U.S.A.
  207. A. Ueda, S. Y. Set, M. Jablonski, and K. Kikuchi, “Layered optical thin-film design using an inverse scattering method,” Opto-Electronics and Communications Conference (OECC 2001), July 2001, Sedney, Australia
  208. M. Jablonski, Y. Tanaka, H.Yaguchi, K.Furuki, N.Higashi and K. Kikuchi,“A coupled four-cavity thin-film allpass filter for third-order dispersion compensation,” Opto-Electronics and Communications Conference (OECC 2001), July 2001, Sedney, Australia, TuA-94
  209. K. Kikuchi, “Nonlinear optical effects in optical fibers and their applications,” in Technical digest of The 4th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rimb2001), Chiba, Japan, 15-19 July, 2001,TuF3-3, I-446
  210. D. Kunimatsu, C. Q. Xu, M. D. Pelusi, X. Wang, K. Kikuchi, H. Ito, and A. Suzuki, “Fourth- order dispersion compensation using a periodically polled LiNbO3 optical phase conjugator,” in Technical digest of The 4th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2001), Chiba, Japan, 15-19 July, 2001,TuF4-3, I-452
  211. K. Taira and K. Kikuchi, “Novel formula for retrieving amplitude and phase of an optical pulse from its sonogram without iterative calculations,” in Technical digest of Conference on Lasers and Electro-Optics (CLEO 2001), May 6-11, 2001, Baltimore, USA, CWA14, pp. 275-276
  212. Y. Fukuchi and K. Kikuchi, “Characteristics of ultra-fast four-wave mixing switch using cascaded second-order nonlinearity in quasi-phase matched devices,” in Technical digest of Conference on Lasers and Electro-Optics (CLEO 2001), May 6-11,2001, Baltimore, USA, CWB6, pp. 317-318
  213. S.Y Set, C.S. Goh, K. Taira, B. Dabarsyah, and K. Kikuchi, “Tunable nonlinearly-bend-chirped fiber Bragg grating for third-order dispersion compensation,” in Technical digest of Conference on Lasers and Electro-Optics (CLEO 2001), May 6-11, 2001, Baltimore, USA, CThO2, pp.496-497
  214. Y. Takushima and K. Kikuchi, “Influence of polarization-mode dispersion on soliton interaction in dispersion-managed soliton transmission systems,” in Technical digest of Conference on Lasers and Electro-Optics (CLEO 2001), May 6-11, 2001, Baltimore, USA, CFE6, pp. 568-569
  215. S.Y. Set, C.S. Goh, K. Katoh, Y. Takushima, K. Kikuchi, Y. Okabe, N. Takeda, ‘A widely tunable fiber Bragg grating with a wavelength tunability over 40 nm,” Optical Fiber Communication Conference (OFC 2001), MC4, Anaheim, U.S.A., 17-22 March 2001
  216. M.Jablonski, K.Kikuchi, Y.Tanaka, H.Yaguchi, K.Furuki, K.Sato and N.Higashi, “Adjustable dispersion-slope compensator using entirely thin-film coupled-cavity allpass filters in a multi- reflection parallel configuration,” Optical Fiber Communication Conference (OFC 2001), TuS3, Anaheim, U.S.A., 17-22 March 2001
  217. Y. Takushima, T. Douke, X. Wang, and K. Kikuchi, “40Gbit/s, 1000km dispersion-managed soliton transmission with a dispersion tolerance of over 180 ps/nm,” 13th Annual Lasers and Electro Optics Society Meeting (LEOS 2000), paper TuB 3, Puerto Rico, USA, Nov., 2000
  218. Nam Su Moon, Y. Takushima, and K. Kikuchi, “A novel architecture of multiwavelength optical cross-connect based on fiber Bragg grating,” 13th Annual Lasers and Electro Optics Society Meeting (LEOS 2000), paper TuC 3, Puerto Rico, USA, Nov., 2000
  219. D. Kunimatsu, M. D. Pelusi, X. Wang, A. Suzuki, C. Q. Xu, and K. Kikuchi, “Femtosecond optical pulse transmission over 144 km using midspan spectral inversion with a LiNbO3 waveguide,” 26th European Conference on Optical Communication (ECOC 2000), paper 8.3.1, Munich, Germany, Sept.3-7, 2000
  220. F. Futami, Han Chuen Lim, and K. Kikuchi, “Transmission of 1.7-ps optical pulses at 1550 nm over 54-km standard fiber using midspan optical phase conjugation incorporated with dispersion slope compensation,” Optical amplifiers and their applications (OAA 2000), OTuC3, July 10-15, 2000, Quebec, Canada
  221. M. Jablonski, Y. Takushima, K. Kikuchi, Y. Tanaka, and N. Higashi, “Wavelength tunable coupled two-cavity thin film allpass filter for third-order dispersion compensation,” Opto-Electronics and Communications Conference (OECC 2000), July 11-14, 2000, Chiba, Japan
  222. D. Kunimatsu, D. Q. Xu, M. D. Pelusi, X. Wang, K. Kikuchi, and A. Suzuki, “Dispersion compensation of transmission line over 144 km by midway optical phase conjugation using cascaded nonlinearities in LiNbO3 waveguide,” The 7th international workshop on femtosecond technology (FST 2000), TC-1, June 29-30, 2000, Tsukuba, Japan
  223. M. D. Pelusi, X. Wang, F. Futami, A. Suzuki, and K. Kikuchi, “The intra-band sideband instability restriction in high speed 160Gb/s long distance optical phase conjugation transmission system,” The 7th international workshop on femtosecond technology (FST 2000), TC-6, June 29-30, 2000, Tsukuba, Japan
  224. X. Wang, M. D. Pelusi, D. Kunimatsu, F. Futami, K. Kikuchi, and A. Suzuki, “Electro-optic phase modulation of stretched femtosecond pulses for compensation of fourth-order dispersion in a 139 km fibre link,” The 7th international workshop on femtosecond technology (FST 2000), TC-2, June 29-30, 2000, Tsukuba, Japan
  225. M. Jablonski, Y. Takushima, K. Kikuchi, Y. Tanaka, K. Furuki, K. Sato and N. Higashi, “Layered optical thin-film allpass dispersion equalizer (LOTADE): A novel device compensating for dispersion slope of optical fibers,” Conference on Lasers and Electro-Optics (CLEO 2000), CPD-16, San Francisco, California, U.S.A, May 7-12, 2000
  226. Y. Takushima, Xianmin Wang, and K. Kikuchi, “Propagation of 3-ps dispersion managed soliton pulse under the influence of third order dispersion,” 1999 Rosc (Research Group for Optical Soliton Communications) Symposium, “Massive WDM and TDM Soliton Transmission Systems,” Nov.9-12, 1999, Kyoto, Japan
  227. Y. Takushima and K. Kikuchi, “Observation of spectral gain hole burning and modulation instability in a Brillouin fiber amplifier,” 1999 IEEE LEOS Annual Meeting, paper MG3, Nov. 8-11, 1999, San Francisco, California
  228. M. Jablonski, Y. Takushima, K. Kikuchi, “Design of allpass filters for third order dispersion compensation,” in Proceedings of 25th European Conference on Optical Communication (ECOC’99), Sept. 26-30, 1999, Nice, France, I-316
  229. F. Futami, H. Yamamoto, K. Kikuchi, and A. Suzuki, “0.3 ps pulse transmission experiment over 42 km long dispersion-free transmission line,” in Proceedings of 25th European Conference on Optical Communication (ECOC’99), Sept. 26-30, 1999, Nice, France, II-90
  230. S. Y. Set, N. S. Moon, K. Kikuchi, “Performance enhancement of ultra-fast wavelength converters based on four wave mixing in semiconductor optical amplifiers,” in Proceedings of 25th European Conference on Optical Communication (ECOC’99), Sept. 26-30, 1999, Nice, France, II-166
  231. K. Kikuchi, “Wideband and flat supercontinuum generation from optical fibers and its application,” The Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim’99), paper TuB1, Aug. 30-Sept. 3, 1999, Seoul, Korea
  232. F. Futami, K. Kikuchi, S. Takeda, and S. Watanabe, “Practical sub-picosecond pulse generation at 1.55 µm by means of a pulse compressor featuring a highly-nonlinear dispersion-shifted fiber,” The Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim’99), paper TuB2, Aug. 30-Sept. 3, 1999, Seoul, Korea
  233. Xiaomin Wang, Y. Takushima, K. Kikuchi, “Influence of dispersion map on 3-ps pulse trans- mission in an 80-km dispersion-managed fiber link,” The Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim’99), paper ThB2, Aug. 30-Sept. 3, 1999, Seoul, Korea
  234. Y. Takushima and K. Kikuchi, “Dispersion-managed soliton under the influence of third-order dispersion,” Conference on Lasers and Electro-Optics (CLEO’99), paper CWC2, Baltimore, U.S.A, May, 1999
  235. Han Chuen Lim, F. Futami, and K. Kikuchi, “Novel configuration for polarization-independent, wavelength-shift-free optical phase conjugator using a nonlinear fiber Sagnac interferometer,” Conference on Lasers and Electro-Optics (CLEO’99), paper CTuV4, Baltimore, U.S.A, May,1999
  236. S. Y. Set, M. K. Jablonski, and K. Kikuchi, “The impact of pulse dispersion in ultrafast wavelength conversion based on fiber four-wave mixing,” Conference on Lasers and Electro-Optics (CLEO’99), paper CTuV5, Baltimore, U.S.A, May, 1999
  237. S. Y. Set and K. Kikuchi, “Dispersion compensation and wavelength conversion in ultra-high bit rate optical communication systems,” 1st East Asian Conference on Lightwave Systems, Lasers and Optoelectronics (LiSLO’99), Kuala Lumpur, Malaysia, March 16-18, 1999
  238. Y. Takushima and K. Kikuchi, “Cascaded operation of optically gain-clamped Erbium-doped fiber amplifiers with equalized gain,” Optical Fiber Communication Conference (OFC’99)/ In- ternational Conference on Integrated Optics and Optical Fiber Communication (IOOC’99), Feb.
    21-26, 1999, San Diego, U.S.A., ThU4-1
  239. T. Sakamoto, F. Futami, K. Kikuchi, S. Takeda, Y. Sugaya, and S. Watanabe, “Chirp-free wavelength conversion by using a nonlinear optical loop mirror composed of a highly-nonlinear dispersion-shifted fiber,” International Topical Workshop on Contemporary Photonic Technologies (CPT’99), Jan. 12-14, 1999, Sendai, Japan, Wep-13-1
  240. K. Kikuchi, “Wideband and flat supercontinuum generation from optical fibers and its applications,” 1998 International Workshop on Soliton Transmission Systems and Devices, Kyoto, Japan, Nov.10-11, 1998
  241. K. Kikuchi and K. Matsuura, “Transmission of 2-ps optical pulses over 40 km standard fiber using midspan optical phase conjugation in semiconductor optical amplifiers,” European Conference on Optical Communication (ECOC’98), Sept. 20-24, 1998, Madrid, Spain, Technical Digest vol.1, pp.243-244
  242. Y. Takushima and K. Kikuchi, “10 GHz, over 20-channel multiwavelength pulse source using super-continuum generated in a normal-dispersion fibre,”European Conference on Optical Com- munication (ECOC’98), Sept. 20-24, 1998, Madrid, Spain, Technical Digest vol.1, pp.307-308
  243. F. Futami and K. Kikuchi, “Generation of 200-fs Fourier-transform-limited optical pulses at 1550 nm from super-continuum obtained by a mode-locked semiconductor laser,” Conference on Lasers and Electro-Optics-Europe (CLEO/ Europe’98), Sept. 14-18, 1998, CPD1.4
  244. F. Mousavi Madani and K. Kikuchi, “Feasibility of 1 Tb/s-10,000km WDM dispersion managed transmission system,” Opto-Electronics and Communications Conference (OECC’98), July 12-16, 1998, Makuhari, Chiba, Japan, 14A3-2
  245. X. Wang, Y. Takushima, and K. Kikuchi, “Performance restriction from third-order dispersion in long-distance high-speed dispersion-managed IM/DD system,” Opto-Electronics and Com- munications Conference (OECC’98), July 12-16, 1998, Makuhari, Chiba, Japan, 14A3-4
  246. F. Futami, Y. Takushima, and K. Kikuchi, “Generation of supercontinuum with extremely flat and wideband spectra from a dispersion-flattened fiber in the positive dispersion region,” Opto- Electronics and Communications Conference (OECC’98), July 12-16, 1998, Makuhari, Chiba, Japan, 15C3-2
  247. Y. Takushima and K. Kikuchi, “Polarization-stable operation of a modulation-instability laser using non-polarization-maintianing fibers,” Opto-Electronics and Communications Conference (OECC’98), July 12-16, 1998, Makuhari, Chiba, Japan, 16C1-3
  248. Y. Takushima and K. Kikuchi, “Highly-stabilized operation of all-optical gain-clamped amplifier,” Conference on Lasers and Electro-Optics (CLEO’98) San Francisco, CA, May 3-8, 1998, CWK6
  249. K. Kikuchi, “Highly sensitive interferometric autocorrelator in the optical communication band using Si avalanche photodiode as two-photon absorber,” Conference on optical fiber communi- cation (OFC’98), San Jose, CA, Feb.22-27, 1998, ThN4
  250. K. Kikuchi, “Long distance high speed transmission system with dispersion compensation,” International topical workshop on contemporary photonic technologies (CPT’98), Tokyo, Japan, Jan. 12-14, 1998
  251. Y. Takushima, F. Futami, and K. Kikuchi, “Optical pulse reshaping by using self frequency shift induced by SPM and higher-order dispersion in optical fiber,” Opto-electronics and communications conference (OECC’97), July 8-11, 1997, Souel, Korea, 9E3-2
  252. F. Mousavi Madani and K. Kikuchi, “Design approach for ultra-long WDM dispersion managed transmission system,” Opto-electronics and communications conference (OECC’97), July 8-11,1997, Souel, Korea, 10A3-4
  253. C. Lorattanasane and K. Kikuchi, “Squeezing characteristics of white Gaussian noise field in parametric amplifiers using optical fibers,” Conference on Lasers and Electro-Optics (CLEO’97), Baltimore, MA, May18-23, 1997, CThL60
  254. K. Kikuchi, Y. Oshima, C. Lorattanasane, and Y. Tanaka, “Nondegenerate four-wave mixing property of an external ring-cavity semiconductor laser,”Conference on Lasers and Electro- Optics (CLEO’97), Baltimore, MA, May18-23, 1997, CWF23
  255. F. Futami and K. Kikuchi, "Optical pulse train generation by Fourier synthesis of four-wave mixing signal obtained from a semiconductor optical amplifier,”CLEO/Pacific Rim’97, Chiba, Japan, July 14-18, 1997, PD2.9
  256. K. Kikuchi, “Elimination of four-wave mixing in dispersion-shifted optical fibers by using mid- way optical phase conjugation in a semiconductor optical amplifier,” Conference on Lasers and Electro-Optics (CLEO’96), Anaheim, CA, June 2-7, 1996, CMG5
  257. Y. Takushima, S. Yamashita, K. Kikuchi, and K. Hotate, “Single-frequency, polarization-stable, Fabry-Perot fiber laser using a non polarization-maintaining fiber and an intracavity etalon,” Optical fiber communication (OFC’96), San Jose, CA, Feb. 25-March 1, 1996, TuB1
  258. K. Kikuchi, C. Lorattanasane, and K. Saito, “Phase-conjugation characteristics of semiconductor optical amplifiers,” European conference on optical communication (ECOC’96), Sept. 15-19, 1996, Oslo, Norway, WeP15
  259. Y. Takushima, K. Kikuchi, and H. Nagawa, “Four-wave mixing OTDR and its application to the measurement of nonlinear refractive index and group-velocity dispersion of optical fibers,” European conference on optical communication (ECOC’96), Sept. 15-19, 1996, Oslo, Norway, WeP5
  260. Y. Takushima, H. Sotobayashi, Y. Watanabe, and K. Kikuchi, “Continuously tunable external ring-cavity semiconductor laser,” Opto-electronics and communications conference (OECC’96), July 16-19, 1996, Chiba, Japan, 18D2-4
  261. Y. Takushima, S. Yamashita, K. Kikuchi, and K. Hotate, “2.5-kHz linewidth, single-frequency and polarization-stable fiber Fabry-Perot laser using a non-polarization maintaining fiber and an intracavity etalon,” Opto-electronics and communications conference (OECC’96) July 16-19, 1996, Chiba, Japan, 16C2-2
  262. K. Kikuchi, “Comparison of non-soliton and soliton transmission techniques for long haul systems,” Opto-electronics and communications conference (OECC’96) July 16-19, 1996, Chiba, Japan, 16B1-1
  263. C. Lorattanasane and K. Kikuchi, “Effect of dispersion fluctuation on optical transmission systems using midway optical phase conjugation,” Opto-electronics and communications conference (OECC’96) July 16-19, 1996, Chiba, Japan, 16B1-4
  264. Y. Takushima, K. Kikuchi, X. Wang, C. Lorattanasane, and F. M. Madani, “Impact of dispersion management on optical fiber communication systems,” Annual Asia Pacific Fiber Optic’96 Conference, Hong-Kong, Nov., 1996
  265. C. Lorattanasane and K. Kikuchi, “Design of long-distance optical transmission systems by using midway optical phase conjugator,” Conference on lasers and electro-optics (CLEO’95), Baltimore, Maryland, May 1995, CTuN3
  266. Y. Takushima and K. Kikuchi, “Photonic switching system using spread-spectrum technique,” European conference on optical communication (ECOC’94), Firenze, Italy, Sept. 25-29, 1994, vol.2, pp.825-828
  267. Y. Takushima and K. Kikuchi, “Photonic switching system using spread-spectrum technique by Gaussian noise,” Optoelectronics conference (OEC’94), Makuhari, Chiba, July 12-15, 1994,13C2-3
  268. K. Kikuchi, K. Watanabe, and K. Katoh, “Amplitude squeezing of a multiple quantum-well distributed feedback semiconductor laser operating at room temperature,” Conference on lasers and electro-optics (CLEO’94), Anaheim, California, May 12, 1994, CWF2
  269. T.K.Sudo, Y.Nakano, K.Tada, K.Kikuchi, T.Hirata, H.Hosumatsu, “Frequency modulation char- acteristics of absorptive-grating gain-coupled DFB lasers (Spatial hole burning self-suppression effect),” IEEE LEOS 1993 annual meeting, San Jose, CA, Nov. 15-18, 1993, SCL5.1
  270. K. Kikuchi and C. Lorattanasane, “Compensation for pulse waveform distortion in ultra-long distance optical communication systems by using nonlinear optical phase conjugator,” Topical meeting on optical amplifiers and their applications (OAA’93), Yokohama, Japan, July 4-6, 1993, SuC1-1
  271. K. Kikuchi and C. Lorattanasane, “Parametric amplification of optical-amplifier noise by nonlinear refractive index and group-velocity dispersion of optical fibers,” Conference on lasers and electro-optics (CLEO’93), Baltimore, Maryland, May 2-7, 1993, CWF2
  272. K. Kikuchi and J. Ayuth, “Bit error rate of the preamplified direct-detection system with a narrow-band optical filter,” Conference on lasers and electro-optics (CLEO’93), Baltimore, Maryland, May 2-7, 1993, CWJ98
  273. M. Ding and K. Kikuchi, “Generation of optical pulses at THz repetition rate from a Fabry-Perot optical fiber modulational instability laser,” European conference on optical communication (ECOC’92), Berlin, Germany, Sept. 27-Oct.1, 1992, TuP1.7
  274. M. Ding and K. Kikuchi, “Limits of soliton transmission in optical fibers caused by the frequency noise of pulse sources,” Conference on lasers and electro-optics (CLEO’92), Anaheim, California, May 10-15, 1992, CWI2
  275. K. Kikuchi and M. Kakui, “Double-balanced transmitter using light-emitting diodes for achieving receiver sensitivity beyond the shot-noise limit,” Conference on lasers and electro-optics (CLEO’92), Anaheim, California, May 10-15, 1992, CThI63
  276. K. Kikuchi, C. E. Zah, R. Bhat, F. Favire, B. Pathak, and T. P. Lee, “Linewidth enhancement factor of 1.5µm compressive-strained multiple quantum-well distributed-feedback lasers measured by frequency modulation method,” European conference on optical communication (ECOC’91), Paris, France, Sept.9-12, 1991, TuPS1-19
  277. K. Kikuchi, C. E. Zah, and T. P. Lee, “Measurement of phase noise generated from semiconductor laser amplifier,” Conference on lasers and electro-optics (CLEO’90), Anaheim, California, May 24, 1990, CThE4
  278. K. Kikuchi, T. Itatani, C. E. Zah, and T. P. Lee, “Carrier lifetime and linewidth enhancement factor measurements from cross-modulation characteristics in semiconductor optical amplifiers,” IEEE international semiconductor laser conference, Davos, Switzerland, Sept.12, 1990, I-3
  279. K. Kikuchi, “Estimation of carrier-density nonuniformity in DFB semiconductor lasers from frequency-modulation characteristics,” International conference on integrated optics and optical communication (IOOC’89), Kobe, Japan, July 20, 1989, 20B1-7
  280. K. Kikuchi and T. Isoshima, “Photon counting cross-correlator using avalanche photodiodes,” Conference on lasers and electro-optics (CLEO’89), Baltimore, Maryland, April 25, 1989, TuJ21
  281. K. Kikuchi, “Precise calculation of linewidth reduction in wavelength-detuned distributed feed- back semiconductor lasers,” Conference on lasers and electro-optics (CLEO’88), Anaheim, California, April 25, 1988, MG4
  282. J. Mørk and K. Kikuchi, “Low-frequency fluctuations and chaos in a distributed feedback semi- conductor laser with optical feedback,” Conference on lasers and electro-optics (CLEO’88), Ana- heim, California, April 27, 1988, WM14
  283. K. Kikuchi and T. Fukushima, “In-phase and out-of-phase behaviors of frequency modulation characteristics of semiconductor lasers,” Conference on lasers and electro-optics (CLEO’88), Anaheim, California, April 27, 1988, WM12
  284. K. Kikuchi and T. P. Lee, “Spectral stability analyses of weakly coupled external-cavity semiconductor lasers,” Conference on optical fiber communication /International conference on integrated optics and optical communication (OFC/IOOC’87), Reno, Nevada, Jan.19-22,1987, TuC3
  285. K. Kikuchi and T. P. Lee, “Design theory of electrically frequency-controlled narrow-linewidth semiconductor lasers for coherent optical communications,”Conference on optical fiber communication /International conference on integrated optics and optical communication (OFC/IOOC’87), Reno, Nevada, Jan.19-22,1987, WF3
  286. K. Kikuchi and C. E. Zah, “AM sideband injection locking of semiconductor lasers,” Conference on lasers and electro-optics (CLEO’87), Baltimore, Maryland, April 27-May 1, 1987, ThI1
  287. K. Kikuchi, “Linewidth measurement of semiconductor lasers below threshold and estimation of photon lifetime,” Conference on lasers and electro-optics (CLEO’87), Baltimore, Maryland, April 27-May 1, 1987, ThD4
  288. K. Kikuchi, T. Naito, and T. Okoshi, “Measurement of Raman scattering in a single mode fiber by optical time-domain reflectometry,” Conference on lasers and electro-optics (CLEO’87), Baltimore, Maryland, April 27- May 1, 1987, TuQ3
  289. K. Kikuchi and A. Hirose, “Photon-counting optical communication receiver,” The 22nd general assembly of international union of radio science (URSI), Tel Aviv, Israel, Aug. 24-Sept.2, 1987
  290. K. Kikuchi, C. E. Zah, and T. P. Lee, “AM sideband injection locking of semiconductor lasers for FDM coherent optical communication systems,” Global telecommunications conference (GLOBE- COM’87), Tokyo, Japan, Nov.15-18, 1987, pp.704-708
  291. C. E. Zah, K. Kikuchi, and T. P. Lee, “Frequency stabilization of multi-channel optical carriers by AM sideband injection locking,” European conference on optical communication (ECOC’87), Helsinki, Finland, Sept.13-17, 1987, p.337
  292. T. Okoshi, A. Hirose, and K. Kikuchi, “Bit-error rate in photon-counting communications,” European conference on optical communication (ECOC’87), Helsinki, Finland, Sept.13-17, 1987, p.329
  293. T. Okoshi, K. Kikuchi, and Y. Cheng, “A new polarization control scheme for optical hetero- dyne receiver,” European conference on optical communication/ International conference on integrated optics and optical communication (IOOC/ECOC’85), Venezia, Italy, Oct.1-4, 1985, pp.409-412
  294. K. Kikuchi, T. Okoshi, and A. Hirose, “Achievement of shot-noise-limited sensitivity and 50- dB dynamic range by a photon-counting receiver using Si avalanche photodiode,” European conference on optical communication/ International conference on integrated optics and optical communication (IOOC/ECOC’85), Venezia, Italy, Oct.1-4, 1985, pp.747-750
  295. T. Okoshi, S. Ryu, and K. Kikuchi, “Polarization-diversity receiver for heterodyne/coherent optical fiber communications,” International conference on integrated optics and optical com- munication (IOOC’83), Tokyo, Japan, June 27-30, 1983, pp.386-387
  296. K. Kikuchi, T. Okoshi, and K. Emura, “Achievement of nearly shot-noise-limited operation in a heterodyne-type PCM-ASK optical communication system,”European conference on optical communication (ECOC’82), Cannes, France, Sept.21-24, 1982, pp.414-418
  297. K. Kikuchi, T. Okoshi, and T. Tanoue, “Frequency stabilization of semiconductor lasers,” SPIE seminar-in-depth, San Diego, U.S.A., July 27-Aug.1, 1980


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