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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 13 of 13  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RISING
(2nd)
2019-11-27
13:55
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo [Invited Lecture] Estimating physical state and its confidence-level by using stochastic regularization of convolutional neural networks and fiber-carrying high speed optical signals
Takahito Tanimura (Fujitsu)
(To be available after the conference date) [more]
OPE, LQE, OCS 2018-10-18
16:00
Saga   [Invited Talk] Fiber-optic Frequency Shifting of THz-range WDM Signal using Orthogonal Pump-signal Polarization Configuration
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura (Fujitsu Lab), Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert (HHI), Takeshi Hoshida (Fujitsu Lab) OCS2018-37 OPE2018-73 LQE2018-62
We propose a nonlinear fiber-based optical frequency shifter using two CW pumps orthogonally polarized to optical signal... [more] OCS2018-37 OPE2018-73 LQE2018-62
pp.51-54
OCS, OPE 2017-05-12
16:20
Tokyo Kikai-Shinko-Kaikan Bldg(Tokyo) [Special Invited Talk] Continuously Tunable Optical Frequency Shifter by Polarization Switched Frequency Conversion
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura (Fujitsu Laboratories Ltd.), Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert (HHI), Takeshi Hoshida (Fujitsu Laboratories Ltd.) OCS2017-8 OPE2017-8
We propose an optical frequency shifter for contention resolutions which allows continuously tunable frequency shift inc... [more] OCS2017-8 OPE2017-8
p.29
PN 2016-09-01
14:05
Hokkaido KKR Hakodate [Invited Talk] Fiber Nonlinearity Mitigation by Digital Signal Processing
Tomofumi Oyama (Fujitsu Labs), Hisao Nakashima, Takeshi Hoshida (Fujitsu), Takahito Tanimura (Fujitsu Labs), Yuichi Akiyama (Fujitsu), Zhenning Tao (FRDC) PN2016-17
Digital-coherent technology has become an imperative technology for backbone optical communication systems, since linear... [more] PN2016-17
pp.15-21
OCS 2016-07-28
10:00
Tokyo tokodai-kuramae-kaikan Experimental feasibility study of latency and bandwidth programmable optical transceiver by using hybrid Nyquist FDM technique
Takahito Tanimura (Fujitsu Labs/Tokyo Univ.), Takeshi Hoshida, Jens C. Rasmussen (Fujitsu Labs), Makoto Suzuki, Hiroyuki Morikawa (Tokyo Univ.) OCS2016-21
We have proposed a new type of optical transceiver that enables to accommodate multiple application services
having dif... [more]
OCS2016-21
pp.5-10
PN, NS, OCS
(Joint)
2014-06-26
12:05
Oita B-ConPlaza Simplification of Nonlinear Compensation Circuit for Higher-order Modulation Formats by Degenerating Signal Constellation
Tomofumi Oyama (Fujitsu Laboratories Ltd.), Takeshi Hoshida (Fujitsu Limited), Takahito Tanimura (Fujitsu Laboratories Ltd.), Hisao Nakashima (Fujitsu Limited), Chihiro Ohshima (Fujitsu Laboratories Ltd.), Jens C. Rasmussen (Fujitsu Limited) OCS2014-15
We propose and numerically evaluate a simplification method for perturbation-based nonlinear compensation algorithm. Whi... [more] OCS2014-15
pp.15-20
OCS, PN, NS
(Joint)
2013-06-20
14:20
Fukushima College of Engineering, Nihon University Evaluation of FSK Light Labels Superimposed on 112 Gbps DP-QPSK Signal
Goji Nakagawa, Shoichiro Oda, Kyosuke Sone, Yasuhiko Aoki, Kazuo Hironishi, Takahito Tanimura (Fujitsu Labs.), Takeshi Hoshida (Fujitsu), Jens C. Rasmussen (Fujitsu Labs.) OCS2013-12
Wavelength path tracing technologies by superimposing a path-ID information on a main signal and monitoring the supervis... [more] OCS2013-12
pp.11-16
OCS 2012-07-26
13:15
Shizuoka   Impact ofPerturbation Back-propagation Algorithm on Nonlinear Distortions in 224 Gb/s DP-16QAM Transmission
Shoichiro Oda (Fujitsu), Takahito Tanimura (Fujitsu Lab.), Takeshi Hoshida, Yuichi Akiyama, Hisao Nakashima (Fujitsu), Kyosuke Sone (Fujitsu Lab.), Yasuhiko Aoki (Fujitsu), Weizhen Yan, Zhenning Tao, Liang Dou, Lei Li (FRDC), Jens C. Rasmussen (Fujitsu), Yoshinori Yamamoto, Takashi Sasaki (SEI) OCS2012-21
Nonlinearity compensation algorithm and soft-decision forward error correction are key technologies for future high-capa... [more] OCS2012-21
pp.1-6
OCS, OPE
(Joint)
2011-05-13
14:00
Tokyo Kikai-Shinko-Kaikan Bldg. Impact of PMD on Digital Coherent Transmission System Employing Nonlinearity Mitigation Algorithms
Shoichiro Oda, Takahito Tanimura (Fujitsu Lab.), Takeshi Hoshida (Fujitsu), Chihiro Ohshima (Fujitsu Lab.), Hisao Nakashima, Yasuhiko Aoki (Fujitsu), Li Lei, Zhenning Tao (Fujitsu R&D Center), Jens C. Rasmussen (Fujitsu) OCS2011-3
(Advance abstract in Japanese is available) [more] OCS2011-3
pp.9-14
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) OCS2010-34
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, 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.) OCS2009-48 OPE2009-114 LQE2009-73
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
OCS 2008-05-16
13:15
Tokyo Kikai-Shinko-Kaikan Bldg. Analysis of Cross Phase Modulation Impact on 43-Gb/s RZ-DQPSK signals co-propagating with 11-Gb/s NRZ signals
Takahito Tanimura, Shoichiro Oda, Takeshi Hoshida/, Masahiro Yuki/ (FUJITSU LAB.), Hisao Nakashima/, Kentaro Nakamura/, Huijian Zhang, Lei Li, Zhenning Tao (FRDC), Jens C. Rasmussen (FUJITSU LAB.) OCS2008-2
We experimentally investigate the nonlinear impairments on 43 Gb/s RZ-DQPSK signals with delayed detection and digital c... [more] OCS2008-2
pp.5-10
OCS 2007-07-20
14:15
Yamagata Denkoku-No-Mori (Yonezawa) Phase Synchronization in Optical Coherent Detection with Digital Signal Processing
Hisao Nakashima (FJL), Lei Li (Fujitsu Research & Development Center), Takeshi Hoshida, Akihiko Isomura, Takahito Tanimura, Shoichiro Oda, Jens C. Rasmussen (FJL), Zhenning Tao (Fujitsu Research & Development Center) OCS2007-28
Phase synchronization is one of the important technique in coherent receiver employing digital signal processing which i... [more] OCS2007-28
pp.43-48
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