Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
PN |
2025-03-04 11:50 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
4-Core/16-Core Fiber Heterogeneous Spatial Channel Network Demonstration Using Core Selective Switch-Based Spatial Gateway Takumi Tani (Kagawa Univ.), Daiki Soma (KDDI Research), Ryohei Otowa (santec), Yusuke Matsuno (Furukawa Electric), Kyosuke Nakada (Kagawa Univ.), Kosuke Komatsu (KDDI Research), Yuji Hotta (santec), Tsubasa Sasaki (Furukawa Electric), Rika Tahara (Kagawa Univ.), Shohei Beppu (KDDI Research), Koichi Maeda (Furukawa Electric), Takuma Izumi (Kagawa Univ.), Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research), Yasuki Sakurai (santec), Ryuichi Sugizaki (Furukawa Electric), Masahiko Jinno (Kagawa Univ.) |
[more] |
|
OCS, LQE, OPE, OFT |
2024-11-22 13:30 |
Online |
Online (Online) |
[Invited Talk]
Report on ECOC2024
-- Core Transmission -- Daiki Soma (KDDI Research) OCS2024-50 OFT2024-75 OPE2024-98 LQE2024-45 |
The 50th European Conference on Optical Communication (ECOC2024) was held in Frankfurt, Germany, over five days from Sep... [more] |
OCS2024-50 OFT2024-75 OPE2024-98 LQE2024-45 pp.5-8 |
LQE, OPE, OCS |
2023-11-24 16:05 |
Online |
Online (Online) |
[Special Invited Talk]
O+S+C+L+U-Band Digital Coherent DWDM Transmission Using a Deployed Optical Cable Daiki Soma (KDDI Research), Tomoyuki Kato (Fujitsu), Shohei Beppu, Daniel J. Elson (KDDI Research), Hidenobu Muranaka, Hiroyuki Irie, Shun Okada, Yu Tanaka (Fujitsu), Yuta Wakayama, Noboru Yoshikane (KDDI Research), Takeshi Hoshida (Fujitsu), Takehiro Tsuritani (KDDI Research) OCS2023-54 OPE2023-104 LQE2023-51 |
We demonstrate an O+S+C+L+U-band digital coherent DWDM transmission system as an upgrade scenario from a C+L-band system... [more] |
OCS2023-54 OPE2023-104 LQE2023-51 pp.25-29 |
OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 11:20 |
Hokkaido |
(Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Real-time 114-SDM transmission over a 6-mode 19-core fiber using real-time MIMO DSP Shohei Beppu (KDDI Research), Masahiro Kikuta, Masahiro Shigihara (NEC Platforms), Koji Igarashi (Osaka University), Daiki Soma, Yuta Wakayama, Noboru Yoshikane (KDDI Research) OCS2023-25 |
Space-division multiplexing (SDM) transmission systems, in which multiple channels with different spatial paths are mult... [more] |
OCS2023-25 pp.33-38 |
OCS, CS (Joint) |
2023-01-13 09:50 |
Fukuoka |
CANAL CITY HAKATA (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Bidirectional transoceanic-class transmission over step-index profile standard cladding 4-core fiber Daiki Soma, Shohei Beppu, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2022-64 |
Multi-core fibers (MCFs), a type of space-division multiplexing (SDM) technology, have been investigated to overcome the... [more] |
OCS2022-64 pp.22-26 |
OCS, CS (Joint) |
2023-01-13 10:15 |
Fukuoka |
CANAL CITY HAKATA (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Inter-core skew and mode-dependent loss degrade Q2 in long-haul coupled-core multicore fibre transmission Shohei Beppu, Daiki Soma, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research) OCS2022-65 |
To dramatically increase the transmission capacity of optical backbone network systems, space division multiplexing (SDM... [more] |
OCS2022-65 pp.27-32 |
OCS, OFT, LSJ (Joint) [detail] |
2022-08-25 13:05 |
Online |
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) OCS2022-15 |
The total capacity of optical submarine cable systems as a global communication infrastructure must be continuously enla... [more] |
OCS2022-15 pp.1-6 |
OPE, OFT, OCS (Joint) [detail] |
2022-02-25 09:50 |
Online |
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 (Yamaguchi, Online) (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 (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 (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 (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 (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 (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 (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 (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 |
(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 (Okinawa) |
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 |
(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 |
(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 |
|