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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 23件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
LQE, OCS, OPE 2019-05-13
16:50
Tokyo Kikai-Shinko-Kaikan Bldg. [Special Invited Talk] Phase-retrieving Coherent Detection by a High-speed Photodetector Array
Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto (NICT)
A novel coherent detection technique based on phase retrieval is introduced. A 2-D arrayed photodetector with a novel di... [more] OCS2019-8 OPE2019-8 LQE2019-8
pp.29-34
OPE, LQE, OCS 2018-10-19
13:30
Saga   Performance evaluation of spectrally-synthesized coherent reception for constellation monitoring of pseudo random quadrature phase shift keying optical signals
Naoki Urakawa, Koji Igarashi (Osaka Univ.)
In our proposed spectrally-synthesized coherent reception for measuring constellation maps of periodical optical signals... [more] OCS2018-46 OPE2018-82 LQE2018-71
pp.99-104
OFT, OCS, LSJ
(Joint) [detail]
2017-08-31
14:30
Hokkaido Hokkaido Univ. Measurement of Complex Amplitudes of Optical Signal Patterns in the Frequency Domain
Naoki Urakawa, Koji Igarashi (Osaka Univ.)
We propose a scheme for measuring complex amplitudes of optical signal patterns in the frequency domain. In the coherent... [more] OCS2017-23
pp.1-6
OCS, CS
(Joint)
2013-01-24
15:00
Ehime Ehime Univ. Frequency Domain Equalization for Optical Coherent Receivers with Time-interleaved Oversampling
Yoshihiro Yasumura, Yuki Yoshida, Ken-ichi Kitayama (Osaka Univ.)
In this report, we propose a fractionally spaced equalization method for optical coherent receivers and demonstrate its ... [more] OCS2012-88
pp.19-24
PN 2012-11-06
11:15
Tokyo Japan Women's University Data Recovery without Clock Recovery
Masataka Ohta (TIT)
If clock frequency difference between a transmitter and a receiver is small, data recovery without clock recovery is pos... [more] PN2012-27
pp.17-21
PN 2012-08-30
13:00
Hokkaido Kitami Institute of Technology Analog Coherent Reception in Super Computer and Data Center Networks
Masataka Ohta (TIT)
In Supeer Computer and Data Center Networks, where high speed communications are required, there is little signal degrad... [more] PN2012-14
pp.1-4
OCS, OFT
(Joint)
2012-08-31
10:50
Hokkaido   Wideband WDM Coherent Optical MIMO Transmission over Graded-Index Multi-mode Fiber by Using Selective Mode Excitation
Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, Yuji Azuma (NTT)
We proposed a selective mode excitation technique to reduce MIMO DSP for a WDM MIMO system. We show numerically that we ... [more] OCS2012-35
pp.37-42
MWP, OPE, MW, EMT, EST, IEE-EMT [detail] 2012-07-26
14:30
Hokkaido Hokkaido Univ. QPSK RoF radio using optical heterodyne technique with free running lasers
Atsushi Kanno, Toshiaki Kuri, Iwao Hosako, Tetsuya Kawanishi (NICT), Yoshihiro Yasumura, Yuki Yoshida, Ken-ichi Kitayama (Osaka Univ.)
Radio-over-fiber radio signal generation and its demodulation are performed with two free-running lasers using an optica... [more] MW2012-44 OPE2012-37 EST2012-26 MWP2012-25
pp.115-118
ED 2011-12-14
15:10
Miyagi Tohoku University [Invited Talk] W-band high-speed wireless transmission using RoF technology
Atsushi Kanno, Toshiaki Kuri, Iwao Hosako, Tetsuya Kawanishi (NICT), Yuki Yoshida, Yoshihiro Yasumura, Ken-ichi Kitayama (Osaka Univ.)
We discuss a concept of a coherent optical/wireless seamless network and W-band high-speed wireless transmission techniq... [more] ED2011-104
pp.25-29
OCS, OFT, ITE-BCT, IEE-CMN
(Joint) [detail]
2011-11-18
11:50
Shimane Shimane Univ. Investigation of Coherent Optical MIMO Transmission over Graded-Index Multi-Mode Fiber by Using Digital Coherent Receiver
Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, Shigeru Tomita (NTT)
We describe a coherent optical MIMO transmission experiment that employs a digital coherent receiver with a mode converg... [more] OCS2011-100
pp.43-48
OCS, OFT, ITE-BCT, IEE-CMN
(Joint) [detail]
2011-11-18
12:15
Shimane Shimane Univ. Evaluation of Maximal-Ratio-Combining Algorithm for single-polarization QPSK format with Elliptic polarization
Kazuomi Endo, Yoichi Hashimoto, Takeyoshi Tanaka, Toru Takamichi, Kiyoshi Fukuchi (NEC), Morio Toyoshima, Yoshihisa Takayama (NICT)
Single Polarization high-speed optical transmission is important for bidirectional free-space optical communication syst... [more] OCS2011-101
pp.49-54
OFT, OCS
(Joint)
2011-08-26
09:25
Hokkaido   Investigation of Modal Dispersion Compensation Using Digital Coherent Receiver in Multi-mode Fiber Transmission
Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, Shigeru Tomita (NTT)
Internet traffic is increasing rapidly, and considerable attention has been paid to the construction of high-speed netwo... [more] OCS2011-49
pp.21-26
OFT, OCS
(Joint)
2011-08-26
13:05
Hokkaido   Novel configuration of FIR filters adapted by the decision-directed LMS algorithm in digital coherent optical receivers
Yojiro Mori, Kazuro Kikuchi (Univ. of Tokyo)
We propose a novel configuration of finite-impulse-response (FIR) filters adapted by the decision-directed least-mean-sq... [more] OCS2011-52
pp.39-44
OCS, CS
(Joint)
2011-01-28
09:25
Tokushima The University of Tokushima Long-Haul WDM Transmission of 112Gbps PM-QPSK Signal Using a Real Time Digital Coherent Receiver
Manabu Arikawa, Daisaku Ogasahara, Emmanuel Le Taillandier de Gabory, Kiyoshi Fukuchi (NEC)
We demonstrate long-haul WDM transmission of 45 channels of 50GHz spaced 112Gbps PM-QPSK signal using a FPGA-based real ... [more] OCS2010-108
pp.55-60
LQE, OPE, OCS 2010-10-28
17:30
Fukuoka Mojiko Retro Town, Minato house Evaluation of a band-divided receiver prototype for wideband optical signals
Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto (NTT)
Coherent receivers for optical signals have attracted lots of attention because of good frequency utilization. However t... [more] OCS2010-68 OPE2010-104 LQE2010-77
pp.79-84
OCS 2010-07-29
16:50
Shizuoka New Welcity Yugawara 160Gb/s 16-QAM long-haul transmission for future optical transport network
Takayuki Kobayashi, Akihide Sano, Koichi Ishihara, Eiji Yoshida, Yutaka Miyamoto (NTT Corp.), Hirofumi Yamazaki, Takashi Yamada (NTT)
Transmission systems that offer high spectral efficiency are the key to realizing large capacity optical transport netwo... [more] OCS2010-33
pp.51-55
OCS 2010-07-29
17:15
Shizuoka New Welcity Yugawara Semi-blind Multi-Stage Dual-Polarization Nonlinear Compensation in 112 Gb/s DP-QPSK Coherent Receiver
Takahito Tanimura (Fujitsu Labs), Takeshi Hoshida (Fujitsu), Shoichiro Oda, Toshiki Tanaka (Fujitsu Labs), Hisao Nakashima (Fujitsu), Lei Li, Zhenning Tao (Fujitsu Research and Development Center Co., Ltd.), Jens C. Rasmussen (Fujitsu)
A novel nonlinear compensation scheme is proposed and demonstrated with 112 Gb/s DP-QPSK format using digital coherent r... [more] OCS2010-34
pp.57-62
OPE, EMT, LQE, PN, IEE-EMT 2010-01-28
14:30
Kyoto   [Invited Talk] Signal Processing for Photonic Networks Based on Wireless Communications Technologies
Tadao Nakagawa (NTT Corp.)
Recently, coherent optical receivers with digital signal processing have been investigated extensively. In wireless comm... [more] PN2009-41 OPE2009-179 LQE2009-161
pp.35-40
OPE, LQE, OCS 2009-10-22
12:45
Fukuoka   [Invited Talk] Report on ECOC2009 -- High-speed and large-capacity transmission technologies --
Takahito Tanimura (Fujitsu Labs. Ltd.)
This paper provides a review of ECOC 2009 (European Conference and Exhibition on Optical Communication) held in Vienna, ... [more] OCS2009-48 OPE2009-114 LQE2009-73
p.39
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)
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
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