Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
LQE, OPE, OCS |
2023-11-24 16:05 |
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 |
(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 |
PN, NS, OCS (Joint) |
2023-06-08 14:40 |
Kagawa |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Automating Optical Transport Network Configuration Error Diagnosis by Large Language Model Cen Wang, Daniel Elson, Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani (KDDI) NS2023-25 OCS2023-11 PN2023-7 |
[more] |
NS2023-25 OCS2023-11 PN2023-7 pp.30-34(NS), pp.11-15(OCS), pp.11-15(PN) |
OFT |
2023-05-12 09:30 |
Iwate |
Aiina(Iwate) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Increasing subsea cable capacity by using FIFO-less core-pumped multicore EDFA based on a side-polished fiber coupler Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research) OFT2023-6 |
[more] |
OFT2023-6 pp.24-28 |
OPE, LQE, OCS |
2022-11-18 13:05 |
Online |
Online |
[Invited Talk]
Report on ECOC2022
-- Core Transmission -- Yuta Wakayama (KDDI Research) OCS2022-51 OPE2022-86 LQE2022-49 |
(To be available after the conference date) [more] |
OCS2022-51 OPE2022-86 LQE2022-49 pp.1-4 |
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 |
OCS, OFT, LSJ (Joint) [detail] |
2020-08-28 14:25 |
Online |
Online |
Prototype of side-polished multi-core fiber coupler Yuta Wakayama, Takehiro Tsuritani (KDDI Research) OCS2020-5 |
(Advance abstract in Japanese is available) [more] |
OCS2020-5 pp.5-9 |
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) |
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 |
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 |
OCS, OPE, LQE |
2017-10-26 09:45 |
Kumamoto |
Josaien, Sakuranobaba |
Performance evaluation of fiber-coupler-based mode multiplexer for weakly-coupled six-mode multiplexed systems Koji Igarashi (Osaka Univ.), Yuta Wakayama, Daiki Souma, Takehiro Tsuritani (KDDI Research), Kyung Jun Park, Byoung Yoon Kim (KAIST) OCS2017-36 OPE2017-68 LQE2017-41 |
(Advance abstract in Japanese is available) [more] |
OCS2017-36 OPE2017-68 LQE2017-41 pp.1-5 |
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, LSJ (Joint) [detail] |
2017-09-01 11:15 |
Hokkaido |
Hokkaido Univ. |
Experiment on selective mode conversion using dual-phase modulation Tomohiro Maeda, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Yuta Wakayama, Takehiro Tsuritani (KDDI Research) OCS2017-32 |
For realizing the optical network based on mode division multiplexing, it is necessary to develop the technology which a... [more] |
OCS2017-32 pp.51-55 |
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 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2016-11-11 11:10 |
Nagasaki |
Nagasaki Shoko Kaigi Sho |
Study on ultra-dense SDM Transmission over 9.8-km 6-mode 19-core Fiber using DP-16QAM/64QAM Signals Daiki Soma, Yuta Wakayama, Shohei Beppu (KDDI Research), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI Research) OCS2016-63 |
Space-division multiplexing (SDM) transmission technique using a multi-core fiber (MCF) and few-mode fiber (FMF) is attr... [more] |
OCS2016-63 pp.49-53 |
LQE, OPE, OCS |
2016-10-27 14:10 |
Miyazaki |
Miyazaki Citizen's Plaza |
[Invited Talk]
Experimental Evaluation on Cladding-Pumped Six-Mode EDFA with Large Erbium-Doped Area Fiber Yuta Wakayama (KDDI Research), Koji Igarashi (Osaka Univ.), Daiki Soma, Hidenori Taga, Takehiro Tsuritani (KDDI Research) OCS2016-39 OPE2016-80 LQE2016-55 |
Few-mode erbium-doped fiber amplifiers (FM-EDFAs) have been addressed for efficient optical signal amplification in mode... [more] |
OCS2016-39 OPE2016-80 LQE2016-55 pp.25-29 |
LQE, OPE, OCS |
2016-10-27 14:35 |
Miyazaki |
Miyazaki Citizen's Plaza |
Six-mode multiplexer and demultiplexer using all-fiber-based couplers Koji Igarashi (KDDI Reseach), Kyung Jun Park (KAIST), Daiki Soma, Yuta Wakayama, Takehiro Tsuritani (KDDI Reseach), Byoung Yoon Kim (KAIST) OCS2016-40 OPE2016-81 LQE2016-56 |
(Advance abstract in Japanese is available) [more] |
OCS2016-40 OPE2016-81 LQE2016-56 pp.31-36 |
OCS, OFT, LSJ (Joint) [detail] |
2016-08-26 10:20 |
Hokkaido |
Chitose-alcadia plaza |
Evaluation for Wavelength Dependence of DMD in a 10-Mode Fiber with Low-Coherence Interferometry Yuta Wakayama, Daiki Soma (KDDI R&D Labs.), Koji Igarashi (Osaka Univ.), Hidenori Taga, Takehiro Tsuritani (KDDI R&D Labs.) OCS2016-32 |
In a mode-division multiplexing (MDM) transmission system, transmission performance considerably depends on differential... [more] |
OCS2016-32 pp.39-42 |
OCS, OFT, LSJ (Joint) [detail] |
2016-08-26 10:45 |
Hokkaido |
Chitose-alcadia plaza |
Seven-Mode Multiplexed Transmission using Weakly-coupled Few-mode Fiber for Reduction of MIMO Complexity Daiki Soma, Yuta Wakayama (KDDI R&D Labs.), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI R&D Labs.) OCS2016-33 |
Mode-division multiplexing (MDM) transmission technique using a few-mode fiber (FMF) is attractive for increasing the tr... [more] |
OCS2016-33 pp.43-46 |