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All Technical Committee Conferences (All Years)
| 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)  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 |
| OFT, OCS, OPE (Joint) [detail] |
2016-02-18 13:30 |
Okinawa | Okinawa Univ. | Measurement of Mode Field Diameter in a Few-Mode Fiber with Low-Coherence Digital Holography Yuta Wakayama, Hidenori Taga, Takehiro Tsuritani (KDDI R&D Lab.) OCS2015-102 OPE2015-222 |
Mismatching of mode field diameter (MFD) between input/output devices for few-mode fibers (FMFs) causes mode-dependent l... [more] | OCS2015-102 OPE2015-222 pp.13-16(OCS), pp.39-42(OPE) |
| OFT, OCS, OPE (Joint) [detail] |
2016-02-18 14:20 |
Okinawa | Okinawa Univ. | Cladding-pumped few-mode EDFA with wide Er+ doping distribution for equalization of mode-dependent gain Koji Igarashi, Yoshitaka Tomiyama, Kyo Inoue (Osaka Univ.), Yuta Wakayama, Daiki Soma, Takehiro Tsuritani (KDDI labs) OCS2015-104 OPE2015-224 |
(Advance abstract in Japanese is available) [more] | OCS2015-104 OPE2015-224 pp.23-27(OCS), pp.49-53(OPE) |
| 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) |
| OFT, OCS (Joint) |
2015-08-28 15:40 |
Hokkaido | DMD Measurement of Weakly-Coupled Few-Mode Fiber Using Low-Coherence Digital Holography Yuta Wakayama, Hidenori Taga, Takehiro Tsuritani (KDDI R&D Labs.) OCS2015-40 |
In a mode division multiplexed transmission system, differential mode delay (DMD) in a transmission line roles as a key ... [more] | OCS2015-40 pp.53-57 |
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| 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) |
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