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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 11 of 11  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS 2012-07-26
13:40		 Shizuoka   Nyquist WDM Transmission of 10 Gsybmol/s Polarization-Division Multiplexed 64QAM Optical Signals
Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (Univ. Tokyo) OCS2012-22		 (Advance abstract in Japanese is available) [more] OCS2012-22
pp.7-11
OCS, LQE, OPE 2011-10-27
09:45		 Kochi Kochi University of Technology Single-shot waveform measurement of ultrafast optical signals by streching the time axis
Koji Igarashi, Masatoshi Usui, Kazuhiro Katoh, Kazuro Kikuchi (Univ. Tokyo) OCS2011-57 OPE2011-95 LQE2011-58		  [more] OCS2011-57 OPE2011-95 LQE2011-58
pp.17-22
LQE, OPE, OCS 2010-10-28
17:55		 Fukuoka Mojiko Retro Town, Minato house Ultrafast digital coherent receiver based on subband technique
Chao Zhang, Yojiro Mori (The Univ. of Tokyo/Japan Society for the Promotion of Sci), Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo) OCS2010-69 OPE2010-105 LQE2010-78		 The maximum symbol rate at which a digital coherent receiver can process is strictly limited by the operation speed of a... [more] OCS2010-69 OPE2010-105 LQE2010-78
pp.85-90
LQE, OPE, OCS 2010-10-28
18:20		 Fukuoka Mojiko Retro Town, Minato house Optical Equalization of Ultra-fast Optical Signals Based on Optical Finite Impulse Response Filters
Koji Igarashi, Hoang Manh Nguyen, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo.) OCS2010-70 OPE2010-106 LQE2010-79		  [more] OCS2010-70 OPE2010-106 LQE2010-79
pp.91-96
CS, OCS
(Joint)		 2010-01-29
13:40		 Yamaguchi Kaikyo Messe Shimonoseki Optoelectronic 1:4 demultiplexing based on dual-port Mach-Zehnder modulators and its application to 160 Gsymbol/s systems
Koji Igarashi, Shinsuke Nabeya, Kazuhiro Katoh, Kazuro Kikuchi (Univ. of Tokyo.) OCS2009-114		 (Advance abstract in Japanese is available) [more] OCS2009-114
pp.83-87
OFT, OCS
(Joint)		 2009-08-27
14:00		 Hokkaido   Nonlinear tolerance of Quadrature-Amplitude-Modulated signals in Digital Coherent Detection
Yojiro Mori, Chao Zhang, Masatoshi Usui, Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (Univ. of Tokyo) OCS2009-33		 The use of multi-level modulation formats is one of the most effective ways of enhancing the spectral efficiency in opti... [more] OCS2009-33
pp.23-28
OFT, OCS
(Joint)		 2009-08-27
14:25		 Hokkaido   Transmission of 160-Gbit/s QPSK signals on a single carrier over 1,000 km using digital coherent receivers
Chao Zhang, Yojiro Mori, Masatoshi Usui, Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo) OCS2009-34		 The maximum symbol rate that a digital coherent receiver can process is strictly limited by the operation speed of analo... [more] OCS2009-34
pp.29-34
OCS, OFT
(Joint)		 2008-08-28
15:45		 Hokkaido   Transmission of 10-Gsymbol/s 16-QAM Signal using Digital Coherent Optical Receiver
Yojiro Mori, Chao Zhang, Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo) OCS2008-39		 The use of multilevel modulation formats is one of the most effective ways of enhancing the spectral efficiency in optic... [more] OCS2008-39
pp.35-40
OCS, OFT
(Joint)		 2008-08-28
16:10		 Hokkaido   Ultrafast Operation of Digital Coherent Receivers Using Optical Time-Division Demultiplexing Function
Chao Zhang, Yojiro Mori, Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo) OCS2008-40		 The digital coherent receiver realizes phase synchronization in the digital domain and can demodulate any multilevel cod... [more] OCS2008-40
pp.41-46
OCS, OFT
(Joint)		 2006-08-24
16:15		 Miyagi   Clock extraction and optical time-division demultiplexing functions based on signal processing in optical frequency domain and their application to 160-Gbit/s OTDM optical receivers
Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (Univ. Tokyo) OCS2006-30		  [more] OCS2006-30
pp.1-6
OFT, OCS
(Joint)		 2005-08-25
13:30		 Akita Akita Univ. Highly-stable generation of 10-GHz picosecond pulse train woth entire-C-band wunability based on phase modulation in conjunction with nonlinear filtering
Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (Univ. of Tokyo) 		We propose a generation technique of high stable and high quality10-GHz optical pulse train based on phase modulation, c... [more] OFT2005-17
pp.7-12
 Results 1 - 11 of 11  /   
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