Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, OFT, OPE (Joint) [detail] |
2023-02-16 13:45 |
Okinawa |
kukuru-itomancity (Primary: On-site, Secondary: Online) |
Distributed Measurement of Indirect Crosstalk in 4-core Fiber Using Commercial OTDR for SMFs Yuto Kobayashi, Ayumi Inoue, Takuji Nagashima, Tetsuya Hayashi (Sumitomo Electric Industries, Ltd.) OCS2022-71 OPE2022-95 |
We measured the longitudinal accumulation profiles of the XT, using the commercial single-channel OTDR. The experimental... [more] |
OCS2022-71 OPE2022-95 pp.5-9 |
OCS, OFT, OPE (Joint) [detail] |
2020-02-28 09:55 |
Okinawa |
Okinawa Jichikaikan |
Evaluation on Field-Deployed Multi-Core Fiber Testbed Takuji Nagashima, Tetsuya Hayashi, Tetsuya Nakanishi, Tetsu Morishima, Reiji Kawawada (Sumitomo Electric), Antonio Mecozzi, Cristian Antonelli (University of L'Aquila) OCS2019-83 OPE2019-106 |
It is important to evaluate optical properties of multi-core optical fibers in a real-use environment because their coup... [more] |
OCS2019-83 OPE2019-106 pp.29-32(OCS), pp.41-44(OPE) |
OFT |
2018-01-19 09:30 |
Kumamoto |
|
[Invited Talk]
Report on ECOC 2017
-- Optical Fibers -- Takuji Nagashima, Manabu Izaki (SEI) OFT2017-63 |
This paper summarizes the topics on optical fiber technologies presented in ECOC2017,.held in Gothenburg, Sweden from Se... [more] |
OFT2017-63 pp.33-36 |
OFT |
2017-10-13 10:30 |
Kochi |
Kochi Prefectural Culture Hall |
Effects of Core Count/Layout and Twisting Condition on Spatial Mode Dispersion in Coupled Multi-Core Fibers Tetsuya Hayashi (Sumitomo Electric), Haoshuo Chen, Nicolas K. Fontaine (Nokia), Takuji Nagashima (Sumitomo Electric), Roland Ryf, Rene-Jean Essiambre (Nokia), Toshiki Taru (Sumitomo Electric) OFT2017-44 |
We review the dependence of the spatial-mode dispersion (SMD) of coupled-core fibers on core count/layout and twisting c... [more] |
OFT2017-44 pp.27-30 |
OFT |
2017-10-13 11:20 |
Kochi |
Kochi Prefectural Culture Hall |
Multi-Core Fibre with Concaved Double-D Shape Cross Section Takuji Nagashima, Shuhei Toyokawa, Tetsuya Hayashi, Tetsu Morishima, Hirotaka Sakuma, Tetsuya Nakanishi (Sumitomo Electric) OFT2017-46 |
We developed a multi-core fibre with a concaved double-D shape cladding for passive fibre alignment. The cladding dimens... [more] |
OFT2017-46 pp.35-38 |
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 (Joint) |
2011-08-25 14:40 |
Hokkaido |
|
Investigation of effects of microbending and of small-radius macrobending on crosstalk of a heterogeneous multi-core fiber Tetsuya Hayashi, Osamu Shimakawa, Takuji Nagashima, Takashi Sasaki, Eisuke Sasaoka (Sumitomo Electric) OCS2011-45 |
We investigated effects of microbending/small-radius macrobending on inter-core crosstalk in a heterogeneous multi-core ... [more] |
OCS2011-45 pp.1-6 |
OCS, OPE (Joint) |
2011-05-13 14:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
5-km Transmission of Spatial and Wavelength Division Multiplexed 10-Gb/s Channels using Heterogeneous Seven-core Fiber Jun Sakaguchi, Yoshinari Awaji, Naoya Wada (NICT), Tetsuya Hayashi, Takuji Nagashima (SEI), Tetsuya Kobayashi, Masayuki Watanabe (OPTOQUEST) OCS2011-4 |
Multi-core fiber has been expected as an innovative device to enable extremely-large-scale data transmission beyond the ... [more] |
OCS2011-4 pp.15-19 |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2010-11-19 13:10 |
Osaka |
SEI Ikoma Seminar House |
Crosstalk Variation of Multi-Core Fiber due to Fiber Bend Tetsuya Hayashi, Takuji Nagashima, Osamu Shimakawa, Takashi Sasaki, Eisuke Sasaoka (Sumitomo Electric) OCS2010-96 |
It was experimentally and theoretically confirmed that inter-core crosstalk can be significantly varied depending on ben... [more] |
OCS2010-96 pp.51-56 |
OCS, OFT (Joint) |
2010-08-27 15:40 |
Hokkaido |
Asahikawa Tokiwa Shimin Hall |
Development of Rectangular Formed Optical Fiber Cable for High Power Lasers Tomohiko Kanie, Yuuichi Mitose, Takuji Nagashima, Kazumasa Konishi, Kenichiro Takahashi, Osamu Shimakawa, Toshiki Taru, Takashi Sasaki (Sumitomo Electric Industries, LTD.) OFT2010-27 |
Laser scribe processing is used widely in thin film solar cells. It realizes effective scribe processing in a high quali... [more] |
OFT2010-27 pp.63-66 |
OFT |
2009-05-28 15:45 |
Shizuoka |
|
Bend-Insensitive and Single-Mode Hetero-Cladding Structured Solid-Core Photonic Bandgap Fibers Tadashi Murao, Kunimasa Saitoh (Hokkaido Univ.), Toshiki Taru, Takuji Nagashima (Sumitomo Electric), Kuniaki Maeda (Hokkaido Univ.), Takashi Sasaki (Sumitomo Electric), Masanori Koshiba (Hokkaido Univ.) OFT2009-7 |
Solid-core photonic bandgap fibers (SC-PBGFs) guide light along the fiber length in the low-index defected core region b... [more] |
OFT2009-7 pp.31-34 |