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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 33  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT, OCS, LSJ
(Joint) [detail]
2021-08-27
14:15
Online Online 50.47-Tb/s Coupled 4-Core Fiber Transmission over 9,150 km
Daiki Soma, Shohei Beppu, Yuta Wakayama, Seiya Sumita, Hidenori Takahashi, Noboru Yoshikane, Itsuro Morita, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research)
(Advance abstract in Japanese is available) [more]
PN 2021-03-01
15:35
Online Online [Invited Talk] R&D on high-capacity multi-core fiber transmission systems
Itsuro Morita, Daiki Soma, Takehiro Tsuritani (KDDI Research), Masato Yoshida, Hiroshi Yasaka (Tohoku Univ), Takemi Hasegawa, Tetsuya Hayashi (Sumitomo Electric), Shigehiro Takasaka, Koichi Maeda, Ryuichi Sugizaki (Furukawa Electric), Takanori Inoue, Hitoshi Takeshita (NEC), Taketoshi Takahata, Tetsuya Kobayashi (OPTOQUEST) PN2020-46
The capacity of optical submarine cable systems has been drastically increased by introducing various innovative technol... [more] PN2020-46
pp.26-29
PN 2019-11-14
15:45
Kanagawa   [Invited Lecture] Design and control for massively sliced optical networks -- Massively Parallel and Sliced Optical Network (204) --
Takehiro Tsuritani, Seiya Sumita, Noboru Yoshikane, Itsuro Morita (KDDI Research)
In massively parallel and sliced optical networks (MAPLE) using spatial division multiplexing (SDM) technologies, each s... [more]
OCS 2016-07-28
10:40
Tokyo tokodai-kuramae-kaikan Experimental study on Polybinary shaping for Super-Nyquist WDM QAM signals
Koji Igarashi (Osaka Univ.), Takehiro Tsuritani, Itsuro Morita (KDDI Labs) OCS2016-22
(Advance abstract in Japanese is available) [more] OCS2016-22
pp.11-16
OCS 2016-07-28
11:05
Tokyo tokodai-kuramae-kaikan Turbo Equalization for Super-Nyquist WDM Systems Based on Duobinary Shaping
Shuai Yuan, Koji Igarashi (Osaka Univ.), Takehiro Tsuritani, Itsuro Morita (KDDI Lab.) OCS2016-23
In Super-Nyquist wavelength division multiplexed (WDM) optical fiber transmission systems with channel spacing of smalle... [more] OCS2016-23
pp.17-22
OCS, NS, PN
(Joint)
2016-06-23
16:05
Hokkaido Hokkaido University [Invited Talk] SDN Orchestration of EU-Japan Optical Network Testbeds -- the STRAUSS Project --
Yuki Yoshida (NICT), Ken-ichi Kitayama (GPI), Noboru Yoshikane, Xiaoyuan Cao, Takahiro Tsuritani, Itsuro Morita (KDDI R&D Labs.), Yutaka Kai, Masato Nishihara, Ryo Okabe, Toshiki Tanaka, Tomoo Takahara, Jens Rasmussen (Fujitsu), Masaki Shiraiwa, Yoshinari Awaji, Naoya Wada (NICT) NS2016-37 OCS2016-13 PN2016-7
The framework and technological achievements of the EU-JP project, STRAUSS, are introduced. The STRAUSS project aims to ... [more] NS2016-37 OCS2016-13 PN2016-7
p.53(NS), p.23(OCS), p.13(PN)
OFT, OCS, OPE
(Joint) [detail]
2016-02-19
13:30
Okinawa Okinawa Univ. 2.05-Pbit/s SDM Transmission over 9.8-km 6-mode 19-core Fiber
Daiki Soma (KDDI R&D Labs.), Koji Igarashi (Osaka Univ.), Yuta Wakayama, Koki Takeshima, Yu Kawaguchi, Noboru Yoshikane, Takehiro Tsuritani, Itsuro Morita, Masatoshi Suzuki (KDDI R&D Labs.) OCS2015-112 OPE2015-235
Space-division multiplexing (SDM) transmission technique using a multi-core fiber (MCF) and few-mode fiber (FMF) is attr... [more] OCS2015-112 OPE2015-235
pp.67-70(OCS), pp.111-114(OPE)
OPE, OCS, OFT
(Joint) [detail]
2015-02-20
14:50
Kagoshima   Measurement of modal contents in optical fibers based on fringe analysis
Yuta Wakayama, Daiki Soma, Takehiro Tsuritani, Itsuro Morita (KDDI R&D Labs.) OCS2014-123 OPE2014-232
For mode division multiplexing (MDM) transmission system, modal crosstalk (MXT) would be considerably induced by slight ... [more] OCS2014-123 OPE2014-232
pp.115-119(OCS), pp.163-167(OPE)
PN 2014-09-04
15:00
Hokkaido   [Invited Talk] Recent Progress of Beyond 100Gb/s and Space division Multiplexing Transmission Technologies
Itsuro Morita (KDDI Lab.) PN2014-14
This paper reviews the recent progress of beyond 100 Gb/s and space division multiplexing transmission technologies with... [more] PN2014-14
pp.19-24
LQE, OCS, OPE 2013-10-25
13:30
Fukuoka   Full-C-Band 110.9-Tbit/s Multi-Core Fiber Transmission Experiments over 6,370-km
Koji Igarashi (Osaka Univ.), Koki Takeshima, Takehiro Tsuritani (KDDI R&D Lab.), Hidenori Takahashi (KDDI), Seiya Sumita, Itsuro Morita, Masatoshi Suzuki (KDDI R&D Lab.), Yukihiro Tsuchida, Masateru Tadakuma, Koichi Maeda, Tsunetoshi Saito, Kengo Watanabe, Katsunori Imamura, Ryuichi Sugizaki (Furukawa Electric) OCS2013-82 OPE2013-128 LQE2013-98
 [more] OCS2013-82 OPE2013-128 LQE2013-98
pp.165-169
OFT, OPE, OCS
(Joint) [detail]
2013-02-28
16:15
Tokyo   [Invited Talk] First Demonstration of MC-EDFA-Repeatered SDM Transmission of 40 x 128-Gbit/s PDM-QPSK Signals per Core over 6,160-km 7-core MCF
Hidenori Takahashi, Takehiro Tsuritani (KDDI Labs), Emmanuel Le Taillandier de Gabory, Toshiharu Ito (NEC), Wei-Ren Peng, Koji Igarashi, Itsuro Morita (KDDI Labs), Yukihiro Tsuchida, Yu Mimura, Koichi Maeda, Tsunetoshi Saito, Kengo Watanabe, Katsunori Imamura, Ryuichi Sugizaki (Furukawa Electric), Masatoshi Suzuki (KDDI Labs) OCS2012-103 OFT2012-75 OPE2012-193
In order to satisfy the demand for a further increase of data traffic in optical networks, the transmission technologies... [more] OCS2012-103 OFT2012-75 OPE2012-193
pp.33-38
OPE, LQE, OCS 2012-10-26
14:20
Miyazaki   Performance evaluation of multi-format and multi-rate transmitter
Hyeon Yeong Choi, Takehiro Tsuritani, Itsuro Morita (KDDI Labs) OCS2012-69 OPE2012-120 LQE2012-86
We propose and demonstrate a new flexible optical transmitter. This transmitter is capable of generating BPSK, QPSK, 8Q... [more] OCS2012-69 OPE2012-120 LQE2012-86
pp.147-150
CS 2012-07-12
14:55
Kagoshima China-cho-Kominkan (Okinoerabu Island) [Invited Talk] Fast Polarization Tracking Methods in Polarization-Division-Multiplexed Transmission Systems with Multiple-Input Multiple-Output Processing
Koki Takeshima, Hidenori Takahashi, Takehiro Tsuritani, Itsuro Morita (KDDI Labs.), Hideaki Tanaka (Toyota ITC) CS2012-34
Polarization-division-multiplexing (PDM) is an effective way to double a spectral efficiency in optical transmission sys... [more] CS2012-34
pp.63-68
NS, OCS, PN
(Joint)
2012-06-21
17:15
Yamagata Yamagata Univ. [Invited Talk] OpenFlow-based unified control plane for multi-layer multi-granularity optical networks
Lei Liu, Takehiro Tsuritani, Itsuro Morita (KDDI R&D Labs) NS2012-35 OCS2012-16 PN2012-7
 [more] NS2012-35 OCS2012-16 PN2012-7
pp.31-36(NS), pp.37-42(OCS), pp.31-36(PN)
CS, OCS
(Joint)
2012-01-27
10:15
Mie ISESHI-KANKOUBUNKAKAIKAN Faster Polarization Tracking with Feedback Method in Polarization-Division-Multiplexed Transmission Systems with Multiple-Input Multiple-Output Processing
Koki Takeshima, Hidenori Takahashi, Itsuro Morita (KDDI Labs.), Hideaki Tanaka (Toyota ITC) CS2011-92
Polarization-division-multiplexing (PDM) has received widespread attention as an effective way to double spectral effici... [more] CS2011-92
pp.61-66
OCS, LQE, OPE 2011-10-28
11:05
Kochi Kochi University of Technology Differential 6-ary PSK Signal Using Partial Demodulation Scheme for 100-Gb/s High-speed Transmission System
Hyeon Yeong Choi, Itsuro Morita (KDDI Labs.) OCS2011-84 OPE2011-122 LQE2011-85
 [more] OCS2011-84 OPE2011-122 LQE2011-85
pp.153-156
OCS 2011-07-12
15:25
Osaka Osaka Univ. Nakanoshima Center High Capacity Direct Detection Optical OFDM by Optical Multi-band Receiving
Wei-Ren Peng, Hidenori Takahashi, Itsuro Morita, Hideaki Tanaka (KDDI R&D Labs) OCS2011-42
In this paper we introduce a multi-band transmission and receiving method for direct-detection optical OFDM (DDO-OFDM). ... [more] OCS2011-42
pp.89-92
OCS 2011-07-12
16:15
Osaka Osaka Univ. Nakanoshima Center [Invited Talk] Optical OFDM transmission technologies for beyond 100 Gbit/s
Hidenori Takahashi, Wei-Ren Peng, Itsuro Morita, Hideaki Tanaka (KDDI Labs) OCS2011-44
In order to satisfy the demand for a further increase of data traffic in optical networks, the use of spectrally efficie... [more] OCS2011-44
pp.99-104
PN, OCS, NS
(Joint)
2011-06-24
12:30
Wakayama Wakayama University A Study on Application of Traffic off-load Technique in Transport Networks
Noboru Yoshikane, Takehiro Tsuritani, Itsuro Morita (KDDI Labs.) PN2011-7
We study effectiveness of the traffic off-load technique utilizing the sub-lambda switching in a transport network. We c... [more] PN2011-7
pp.31-35
OCS, CS
(Joint)
2011-01-27
13:00
Tokushima The University of Tokushima Field Trial of C-band 100 Gbit/s Coherent WDM System over Mixture of SMF and DSF Lines
Yusuke Konishi, Masahiro Daikoku, Tsutomu Nakada (KDDI), Itsuro Morita (KDDI R&D Labo.), Masateru Onodera, Masazumi Inoue (KDDI) OCS2010-99
Field trial of C-band 100-Gbit/s coherent WDM system over 744km mixture of SMF and DSF lines was demonstrated. Not only ... [more] OCS2010-99
pp.1-5
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