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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 29  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, OFT, LSJ
(Joint) [detail]
2022-08-25
13:05
Online Online Trans-Pacific class transmission over ultralow-loss 4-core fiber with standard cladding diameter
Daiki Soma, Shohei Beppu, Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research)
(Advance abstract in Japanese is available) [more]
OPE, OFT, OCS
(Joint) [detail]
2022-02-25
09:50
Online Online Characterization of Installed Step-Index Profile Standard Cladding Multi-Core Fibers with Multi-Vendor Connections
Daiki Soma, Shohei Beppu, Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research) OCS2021-45 OPE2021-59
A space division multiplexing (SDM) transmission technique has been investigated to overcome the theoretical limitation ... [more] OCS2021-45 OPE2021-59
pp.21-26(OCS), pp.53-58(OPE)
OCS, CS
(Joint)
2022-01-13
16:20
Yamaguchi Conference room 204A・B at KDDI Ishin-hall
(Primary: On-site, Secondary: Online)
85.2-Tbit/s Coupled 4-Core Fiber Transmission over 3,120 km Using PS-16QAM Signals
Shohei Beppu, Daiki Soma, Hidenori Takahashi, Noboru Yoshikane, Itsuro Morita, Takehiro Tsuritani (KDDI Research, Inc.) OCS2021-35
In the optical submarine cable system, which is a global communication infrastructure, continuous and dramatic increase ... [more] OCS2021-35
pp.11-15
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2021-11-19
13:25
Online Online Four-mode multiplexed real-time 16QAM transmission using high-accuracy frequency offset estimation algorithm
Shohei Beppu (KDDI Research, Inc.), Masahiro Kikuta (NEC Platforms, Ltd.), Koji Igarashi (Osaka University), Hiroshi Mukai, Masahiro Shigihara (NEC Platforms, Ltd.), Daiki Soma, Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2021-31
Mode-division-multiplexed (MDM) transmission systems with multiple-input multiple-output digital signal processing (MIMO... [more] OCS2021-31
pp.15-20
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) OCS2021-10
Since optical submarine cable systems are a part of the global communications infrastructure, their total capacity must ... [more] OCS2021-10
pp.5-10
PN, NS, OCS
(Joint)
2021-06-25
13:50
Online Online Low-Loss and Low Crosstalk MuticoreFiber
Masanri Takahashi, Koichi Maeda, Keiici Aiso, Kazunori Mukasa, Ryuichi Sugizaki (Furukawa Electric), Daiki Soma, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Yoshihiro Arasitani (Furukawa Electric) OCS2021-6
An uncoupled 125-μm-cladding 4-core multicore fiber (MCF) with record low-loss of 0.155dB/km among uncoupled MCFs was re... [more] OCS2021-6
pp.25-28
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
OPE, OCS, OFT
(Joint) [detail]
2021-02-19
16:10
Online Online Optical Characteristics of Standard Cladding Multi-core Fiber with Multi Connection
Daiki Soma, Shohei Beppu, Hidenori Takahashi (KDDI Research), Yuichi Miyagawa (KDDI Corporation), Noboru Yoshikane, Takehiro Tsuritani (KDDI Research) OCS2020-46 OPE2020-95
A space division multiplexing (SDM) transmission technique has been investigated to overcome the theoretical limitation ... [more] OCS2020-46 OPE2020-95
pp.16-21(OCS), pp.90-95(OPE)
OCS, CS
(Joint)
2021-01-15
13:25
Online Online Experiment on joint switch of few-mode multi-core fiber using spatial light modulator
Yuta Abe, Atushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Daiki Soma, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2020-35
In order to realize SDM transmission using few-mode multi-core fibers (FM-MCFs), a switching device adapted to spatially... [more] OCS2020-35
pp.42-45
OPE, OCS, LQE 2020-10-23
11:10
Online Online Real-time strongly-coupled 4-core fiber transmission
Shohei Beppu (KDDI Research, Inc.), Koji Igarashi (Osaka University), Hiroshi Mukai, Masahiro Kikuta, Masahiro Shigihara (NEC Platforms, Ltd.), Daiki Soma, Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2020-12 OPE2020-35 LQE2020-15
 [more] OCS2020-12 OPE2020-35 LQE2020-15
pp.21-25
PN 2020-03-02
12:45
Kagoshima
(Cancelled but technical report was issued)
An Experimental Evaluation of Mode and Wavelength Switching using Weakly-coupled 10-Mode Division Multiplexed Network
Seiya Sumita, Daiki Soma, Shohei Beppu, Takehiro Tsuritani (KDDI Research Inc.) PN2019-53
Partial MIMO-based weakly-coupled few-mode fiber transmission system can not only suppress large MIMO processing but als... [more] PN2019-53
pp.1-5
OCS, OFT, OPE
(Joint) [detail]
2020-02-28
10:20
Okinawa Okinawa Jichikaikan 402.7-Tb/s Weakly-Coupled 10-Mode-Multiplexed Transmission
Daiki Soma, Shohei Beppu, Seiya Sumita, Yuta Wakayama, Takehiro Tsuritani (KDDI Research) OCS2019-84 OPE2019-107
A 125-um cladding space-division multiplexing (SDM) fiber is attractive for deployment of the SDM system since it is exp... [more] OCS2019-84 OPE2019-107
pp.33-38(OCS), pp.45-50(OPE)
OFT, OCS, LSJ
(Joint) [detail]
2019-08-29
15:45
Hokkaido   Performance evaluation of core-to-core Q-difference compensation scheme against coherent crosstalk
Hidenori Takahashi, Daiki Soma, Takehiro Tsuritani (KDDI Research) OCS2019-22
The core-to-core Q-difference compensation scheme in vector domain has been proposed. Considering the locally generated ... [more] OCS2019-22
pp.11-16
OFT, OCS, LSJ
(Joint) [detail]
2019-08-29
16:10
Hokkaido   Real-time MIMO optical receivers for weakly-coupled ten-mode-multiplexed systems
Koji Igarashi (Osaka Univ), Shohei Beppu (KDDI Research), Masahiro Kikuta (NECPF), Tomoyuki Nagai (Osaka Univ), Yasuo Saito (NECPF), Daiki Soma, Takehiro Tsuritani (KDDI Research) OCS2019-23
(Advance abstract in Japanese is available) [more] OCS2019-23
pp.17-22
PN 2019-08-27
14:40
Hokkaido Kanpo-No-Yado Otaru C+L-band Weakly-coupled 10-mode-multiplexed Transmission
Daiki Soma, Shohei Beppu, Seiya Sumita, Yuta Wakayama, Takehiro Tsuritani (KDDI Research) PN2019-23
A 125-μm cladding space-division multiplexing (SDM) fiber is attractive for deployment of the SDM system since it is exp... [more] PN2019-23
pp.85-89
OFT, OCS, OPE
(Joint) [detail]
2019-02-14
15:30
Fukuoka   Long-haul MCF Transmission over 1,500-km using Full C+L-band 19-core Cladding-pumped EDFA
Daiki Soma, Shohei Beppu (KDDI Research), Koichi Maeda, Shigehiro Takasaka, Ryuichi Sugizaki (Furukawa Electric), Hidenori Takahashi, Takehiro Tsuritani (KDDI Research) OCS2018-85 OPE2018-197
Space-division multiplexing (SDM) using a multi-core fiber (MCF) is an attractive technique for dramatically increasing ... [more] OCS2018-85 OPE2018-197
pp.29-33
PN 2018-11-22
10:20
Yamanashi Satoshi Omura Museum, Yamanashi Univ. Experimental Evaluation of Mode and Wavelength Switched Network using Weakly-coupled Few-Mode Fiber
Seiya Sumita, Daiki Soma, Shohei Beppu (KDDI Research), Yuta Wakayama (KDDI), Hidenori Takahashi, Takehiro Tsuritani (KDDI Research) PN2018-30
 [more] PN2018-30
pp.49-53
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2017-11-24
15:50
Osaka Kansa-Univ. Umeda Campus 257-Tbit/s Partial MIMO-based 10-Mode C+L-band WDM Transmission
Daiki Soma, Shohei Beppu, Yuta Wakayama (KDDI Research, Inc.), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI Research, Inc.) OCS2017-65
Mode-division multiplexing (MDM) transmission technique using a few-mode fiber (FMF) has been investigated to overcome t... [more] OCS2017-65
pp.79-83
OFT, OCS, LSJ
(Joint) [detail]
2017-08-31
15:55
Hokkaido Hokkaido Univ. 10-Mode-Multiplexed Transmission over 81km Weakly-coupled Few-mode Fiber with Partial MIMO Equalizers
Daiki Soma, Yuta Wakayama (KDDI Research), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI Research) OCS2017-25
Mode-division multiplexing (MDM) transmission technique using a few-mode fiber (FMF) is attractive for increasing the tr... [more] OCS2017-25
pp.13-17
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2016-11-11
09:55
Nagasaki Nagasaki Shoko Kaigi Sho Effective Area Measurement of Few-Mode Fiber using Far Field Scan Technique with Hankel Transform for Circularly-Asymmetric Mode
Tetsuya Hayashi, Yoshiaki Tamura, Takuji Nagashima, Kazuhiro Yonezawa, Toshiki Taru (Sumitomo Electric), Koji Igarashi, Daiki Soma, Yuta Wakayama, Takehiro Tsuritani (KDDI Research) OCS2016-60
We report on an Aeff measurement method for the few-mode fiber. We derived an NFP-FFP transform equation generalized for... [more] OCS2016-60
pp.31-36
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