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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2019-05-17 09:20 |
Osaka | Ｉ-site NANBA | [Invited Talk]
Report on OFC2019
-- Optical fiber -- Ryuichi Sugizaki, Shigehiro Takasaka (Furukawa Electric)  OFT2019-19 |
OFC2019 is held in San Diego on March 3rd - 7th , 2019. This report summarize topics related to optical fibers in OFC 20... [more] | OFT2019-19 pp.81-84 |
| OFT | 2019-05-17 09:45 |
Osaka | Ｉ-site NANBA | Application of Enhanced Scattering Optical fiber to Distributed Acoustic Sensing Masateru Tadakuma, Shigehiro Takasaka, Kenji Yamauchi, Ryuichi Sugizaki, Masayoshi Tsukamoto (Furukawa electric) OFT2019-20 |
[more] | OFT2019-20 pp.85-88 |
| OFT, OCS, OPE (Joint) [detail] |
2019-02-14 14:40 |
Fukuoka | Cladding Pump Light Recycling in Cladding Pumped 7-Core EDFA Koichi Maeda, Shigehiro Takasaka, Kohei Kawasaki, Kazuaki Yoshioka, Ryuichi Sugizaki, Masayoshi Tsukamoto (Furukawa Electric) OCS2018-83 OPE2018-195 |
We demonstrate pump collectors that gather cladding pump up to 75%. By recycling 17% residual cladding pump in a claddin... [more] | OCS2018-83 OPE2018-195 pp.19-22 |
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| 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 |
|
| OCS, OFT, LSJ (Joint) [detail] |
2018-08-31 10:45 |
Hokkaido | Hakodate Hokuyo Building 8Kai Hall | Erbium Doped Fiber Length Dependence of Amplification Characteristics of Cladding Pumped 19-Core EDFA Koichi Maeda, Shigehiro Takasaka, Kohei Kawasaki, Kazuaki Yoshioka, Hajime Oshio, Ryuichi Sugizaki (Furukawa Electric), Daiki Souma, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research Inc.), Masayoshi Tsukamoto (Furukawa Electric) OCS2018-27 |
We demonstrate a C-band cladding pumped 19-core EDFA. We measure the 19-core EDF length dependence of amplification char... [more] | OCS2018-27 pp.47-50 |
| PN | 2018-04-27 15:30 |
Tokyo | Tokyo Institute of Technology(CIC Tamachi) | [Invited Talk]
Space division optical wiring technologies Ryuichi Sugizaki, Kohei Kawasaki, Koichi Maeda, Shigehiro Takasaka, Shinichi Arai (Furukawa Electric) PN2018-4 |
Optical fiber wiring technology for equipment utilizing in Space Division multiplexing is summarized. Multicore fibers o... [more] | PN2018-4 pp.21-25 |
| OPE, OCS, OFT (Joint) [detail] |
2018-02-16 10:15 |
Okinawa | Okinawa Prefectural Museum | Increase of Cladding Pump Power Efficiency by a 19-Core Erbium Doped Fiber Amplifier Koichi Maeda, Shigehiro Takasaka, Kohei Kawasaki, Kazuaki Yoshioka, Hajime Oshio, Ryoichi Sugizaki (Furukawa Electric), Hidenori Takahasi, Takehiro Tsuritani (KDDI Research), Shinichi Arai (Furukawa Electric) OCS2017-87 OPE2017-180 |
We demonstrate that a cladding pumped 19-core erbium doped fiber amplifier has 2.5dB higher pump power efficiency than a... [more] | OCS2017-87 OPE2017-180 pp.41-44(OCS), pp.59-62(OPE) |
| OCS, OPE, LQE | 2017-10-26 14:45 |
Kumamoto | Josaien, Sakuranobaba | [Invited Talk]
Fiber Optical Parametric Amplifier Technique Toward Practical Use Shigehiro Takasaka (Furukawa Electric) OCS2017-44 OPE2017-76 LQE2017-49 |
Operation principle of fiber optical parametric amplifier is explained intuitively. Then we review operation principle o... [more] | OCS2017-44 OPE2017-76 LQE2017-49 pp.43-48 |
| OCS, OPE, LQE | 2017-10-26 15:20 |
Kumamoto | Josaien, Sakuranobaba | Design and demonstration of guard-band-less all-optical wavelength converter for WDM signals Takashi Inoue (AIST), Shigehiro Takasaka (Furukawa Electric), Kazuya Ota (Trimatiz), Shu Namiki (AIST) OCS2017-45 OPE2017-77 LQE2017-50 |
(Advance abstract in Japanese is available) [more] | OCS2017-45 OPE2017-77 LQE2017-50 pp.49-52 |
| OFT, OCS, LSJ (Joint) [detail] |
2017-09-01 09:25 |
Hokkaido | Hokkaido Univ. | Amplification Characteristics of a Quasi-Phase-Matched FOPA with Increased Gain Stages to Three Shigehiro Takasaka, Ryuichi Sugizaki, Masato Shiino (Furukawa Electric) OCS2017-28 |
(Advance abstract in Japanese is available) [more] | OCS2017-28 pp.29-32 |
| PN | 2017-03-06 09:40 |
Okinawa | Ohama Nobumoto Memorial Hall (Okinawa) | Wavelength conversion using dispersion stable highly nonlinear fibers and quasi-phase-matching techniques Shigehiro Takasaka, Ryuichi Sugizaki (Furukawa Electric) PN2016-84 |
We introduce characteristics of dispersion stable highly nonlinear fibers and its applications for wavelength conversion... [more] | PN2016-84 pp.1-5 |
| OCS, OFT, OPE (Joint) [detail] |
2017-02-16 16:30 |
Osaka | Osaka Prefecture University(I-site Nanba) | Cladding pumped seven-core amplifier by core absorption enhanced MC-EDF Koichi Maeda, Yukihiro Tsuchida, Kengo Watanabe, Toru Sasa, Tsunetoshi Saito, Shigehiro Takasaka (FEC), Koki Takeshima, Yuu Kawaguchi, Kakehiro Tsuritani (KDDI Research), Ryuichi Sugizaki (FEC) OCS2016-73 OPE2016-164 |
(Advance abstract in Japanese is available) [more] | OCS2016-73 OPE2016-164 pp.13-16(OCS), pp.25-28(OPE) |
| OCS, OFT, LSJ (Joint) [detail] |
2016-08-25 14:55 |
Hokkaido | Chitose-alcadia plaza | Cladding Pumped Seven-Core EDFA Using an Absorption-Enhanced Erbium Doped Fiber Yukihiro Tsuchida, Shigehiro Takasaka, Koichi Maeda, Toru Sasa, Kengo Watanabe, Tsunetoshi Saito, Ryuichi Sugizaki (Furukawa Electric) OCS2016-27 |
We fabricate a 7-core erbium doped fiber that has absorption-enhanced cores. We demonstrate L-band cladding-pumped ampli... [more] | OCS2016-27 pp.11-14 |
| NS, OCS, PN (Joint) |
2015-06-19 15:15 |
Fukui | Fukui-shi-chiiki-kouryu | High power cladding pumped multicore EDFA Koichi Maeda, Yukihiro Tsuchida, Shigehiro Takasaka, Tsunetoshi Saito, Kengo Watanabe, T.Sasa (Furukawa Electric), Koki Takeshima, Takehiro Tsuritani (KDDI Labs.), Ryuichi Sugizaki (Furukawa Electric) OCS2015-23 |
(Advance abstract in Japanese is available) [more] | OCS2015-23 pp.65-68 |
| PN, NS, OCS (Joint) |
2014-06-26 14:55 |
Oita | B-ConPlaza | Quasi phase-matched fiber optical parametric amplifier using dispersion stable HNLF Shigehiro Takasaka, Yuki Taniguchi, Masanori Takahashi, Jiro Hiroishi, Masateru Tadakuma (Furukawa Electric), Hiroshi Matsuura, Kohei Doi (Tohoku Gakuin Univ.), Ryuichi Sugizaki (Furukawa Electric) OCS2014-16 |
We design and fabricate dispersion stable highly nonlinear fibers of which dispersion fluctuation along fiber length are... [more] | OCS2014-16 pp.21-24 |
| OCS, OPE, OFT (Joint) [detail] |
2014-02-27 15:15 |
Okinawa | nest HOTEL Naha | [Invited Talk]
Development of multicore EDFA for space division multiplexing Yukihiro Tsuchida, Shigehiro Takasaka, Koichi Maeda (Furukawa Electric), Hiroshi Matsuura, Kohei Doi (Tohoku Gakuin), Masateru Tadakuma, Ryuichi Sugizaki, Haruki Ogoshi (Furukawa Electric) OCS2013-102 OFT2013-59 OPE2013-209 |
(Advance abstract in Japanese is available) [more] | OCS2013-102 OFT2013-59 OPE2013-209 pp.7-12(OCS), pp.25-30(OFT), pp.25-30(OPE) |
| OCS, PN, NS (Joint) |
2013-06-20 17:20 |
Fukushima | College of Engineering, Nihon University | Fiber Optical Parametric Amplifier with NF less than 4dB having Flat 21 dB Gain Based on Quasi-Phase Matching Shigehiro Takasaka, Yu Mimura (Furukawa Electric), Hiroshi Matsuura (Tohoku Gakuin University), Masahito Morimoto, Masanori Takahashi, Ryuichi Sugizaki (Furukawa Electric) OCS2013-15 |
(Advance abstract in Japanese is available) [more] | OCS2013-15 pp.29-32 |
| OCS, CS (Joint) |
2013-01-24 13:30 |
Ehime | Ehime Univ. | Continuously tunable parametric dispersion compensation for C-band input signals Ken Tanizawa, Junya Kurumida (AIST), Shigehiro Takasaka, Takeshi Yagi (Furukawa Elec.), Shu Namiki (AIST) OCS2012-85 |
To achieve dynamic optical path networks for future energy-efficient transmission of a large bandwidth signal such as ul... [more] | OCS2012-85 pp.1-6 |
| OPE, LQE, OCS | 2012-10-25 09:00 |
Miyazaki | Gain flattening of fiber OPA by quasi-phase-matching Shigehiro Takasaka, Yu Mimura, Masanori Takahashi, Ryuichi Sugizaki, Haruki Ogoshi (Furukawa Electric) OCS2012-41 OPE2012-92 LQE2012-58 |
We show simulation results that gain of single-pumped fiber optical parametric amplifier (FOPA) becomes flat and broad b... [more] | OCS2012-41 OPE2012-92 LQE2012-58 pp.1-5 |
|
| NS, OCS, PN (Joint) |
2012-06-22 10:50 |
Yamagata | Yamagata Univ. | Development of SBS-Suppressed PM-HNLF Module Masanori Takahashi, Shigehiro Takasaka, Tomohiro Gonda, Ryuichi Sugizaki (Furukawa Electric) OCS2012-17 |
Applications using nonlinear effects generated in highly nonlinear fibers (HNLFs) have been widely studied and reported.... [more] | OCS2012-17 pp.43-46 |
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