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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 44  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CPM, ED, LQE 2022-11-25
14:50
Aichi Winc Aichi (Aichi Industry & Labor Center)
(Primary: On-site, Secondary: Online)
Development of Semiconductor Incoherent Light Source for Forward Raman Amplifier
Junji Yoshida (Furukawa Electric), Naoya Hojo (FFOD), Yasuto Tatamida, Tomohiro Ohisi, Shigehiro Takasaka, Takuya Kokawa, Satoru Ichihara, Ryuichi Sugisaki, Toshio Kimura (Furukawa Electric) ED2022-48 CPM2022-73 LQE2022-81
A semiconductor incoherent light source (iPump) for a forward Raman amplifier with 250 mW fiber output is developed. Fo... [more] ED2022-48 CPM2022-73 LQE2022-81
pp.107-110
OPE, LQE, OCS 2022-11-18
14:10
Online Online [Invited Talk] Report on ECOC2022 -- Optical Fibers --
Shigehiro Takasaka (Furukawa Electric) OCS2022-53 OPE2022-88 LQE2022-51
We review topics related to optical fibers reported at ECOC2022. Research trends continue for transmission capacity incr... [more] OCS2022-53 OPE2022-88 LQE2022-51
pp.9-12
OFT 2022-01-21
10:35
Online Online [Invited Talk] [Invited Talk] Report on ECOC2021 -Optical Fibers-
Kazunori Mukasa, Shigehiro Takasaka, Ryuichi Sugizaki (Furukawa Electric) OFT2021-67
This paper reports the topics of the optical fibers and their related technologies presented at ECOC2021, held at , Bord... [more] OFT2021-67
pp.61-64
OCS, OPE, LQE 2021-11-12
16:30
Online Online [Special Invited Talk] Amplification techniques for cladding pumped multicore EDFA
Shigehiro Takasaka (Furukawa Electric) OCS2021-27 OPE2021-47 LQE2021-26
A tutorial was carried out in ECOC 2021 on amplification techniques in cladding pumped multi-core EDFA (Erbium Doped Fib... [more] OCS2021-27 OPE2021-47 LQE2021-26
pp.28-33
OFT, OCS, LSJ
(Joint) [detail]
2021-08-27
11:25
Online Online Output Power Increase of C-band Cladding Pumped 7-core EDFA by Using Mie Scattering
Shigehiro Takasaka, Koichi Maeda, Ryuichi Sugizaki, Yoshihiro Arashitani (Furukawa Electric) OFT2021-19
(Advance abstract in Japanese is available) [more] OFT2021-19
pp.39-42
OFT, OCS, LSJ
(Joint) [detail]
2021-08-27
13:50
Online Online Verification of Crosstalk Reduction Effect by Applying Propagation Direction Interleaving Configuration to Cladding Pumped 19-core EDFA in L-band
Koichi Maeda, Shigehiro Takasaka, Kazuaki Yoshioka, Ryuichi Sugizaki, Masayoshi Tsukamoto, Yoshihiro Arashitani (FEC) OCS2021-9
(Advance abstract in Japanese is available) [more] OCS2021-9
pp.1-4
OFT 2021-05-14
13:20
Online Online Distributed Raman amplification using large-core fiber with different cut-off wavelength
Shigehiro Takasaka, Tomoaki Gonohe, Ryuichi Sugizaki, Yoshihiro Arashitani (Furukawa Electric) OFT2021-6
 [more] OFT2021-6
pp.23-26
OFT 2021-05-14
15:35
Online Online Effects of acoustic wave under water for optical fiber cable
Hiroto Mochizuki, Masateru Tadakuma, Shigehiro Takasaka, Kenji Yamauchi, Ryuichi Sugizaki, Yoshihiro Arashitani (Furukawa Electrc) OFT2021-11
We evaluate the effect of underwater acoustic waves on ocean fiber cables used in water. The possibility of underwater a... [more] OFT2021-11
pp.44-47
PN 2021-03-01
15:35
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
OCS, OFT, LSJ
(Joint) [detail]
2020-08-28
14:50
Online Online Crosstalk Reduction for Cladding Pumped 19-core EDFA by Propagation Direction Interleaving Technique
Koichi Maeda, Shigehiro Takasaka, Kazuaki Yoshioka, Ryuichi Sugizaki, Masayoshi Tsukamoto, Yoshihiro Arashitani (Furukawa Electric) OCS2020-6
We demonstrated a propagation direction interleaved cladding pumped 19-core EDFA and confirm the reduction effect of cor... [more] OCS2020-6
pp.11-14
OCS, OFT, LSJ
(Joint) [detail]
2020-08-28
16:40
Online Online Absorption Ratio Dependence of Gain Characteristics on Cladding Pumped Multicore EDFAs
Shigehiro Takasaka, Koichi Maeda, Ryuichi Sugizaki, Masayoshi Tsukamoto, Yoshihiro Arashitani (Furukawa Electric) OFT2020-8
(Advance abstract in Japanese is available) [more] OFT2020-8
pp.29-32
PN, NS, OCS
(Joint)
2020-06-18
10:05
Online Online Loss budget for SDM node
Ryuichi Sugizaki, Masanori Takahashi, Koichi Maeda, Shigehiro Takasaka, Kazuaki Yoshioka, Yashihiro Arashitani (Furukawa Electric) PN2020-5
 [more] PN2020-5
pp.1-5
OFT 2020-01-17
11:45
Aichi NINS Okazaki Conference Center Transmission Performance of 600-Gb/s per Wavelength Signals over Installed Slotted-core Cable using G.654.E Optical Fibers
Tomoaki Gonohe, Shusaku Matsumoto, Hidenobu Takaishi, Ryuichi Sugizaki, Shigehiro Takasaka (Furukawa), Alan McCurdy (OFS), Shingo Hara, Shuichi Watanabe, Masahiro Yuki, Takeshi Sakamoto (Fujitsu) OFT2019-58
 [more] OFT2019-58
pp.59-64
OPE, LQE, OCS 2019-11-11
14:30
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo) [Invited Talk] Report on ECOC2019 -- Optical Fibers --
Ryuichi Sugizaki, Shigehiro Takasaka (Furukawa Electric) OCS2019-54 OPE2019-92 LQE2019-70
ECOC2019 is held in Dublin, Ireland on September 22nd - 26th , 2019. This report summarize topics related to optical fi... [more] OCS2019-54 OPE2019-92 LQE2019-70
pp.13-16
OFT, OCS, LSJ
(Joint) [detail]
2019-08-29
14:55
Hokkaido   Cladding Pump Light Recycling Device in Cladding Pumped 19-core EDFA
Koichi Maeda, Shigehiro Takasaka, Kohei Kawasaki, Kazuaki Yoshioka, Ryuichi Sugizaki, Masayoshi Tsukamoto (Furukawa Electric) OCS2019-21
(Advance abstract in Japanese is available) [more] OCS2019-21
pp.7-10
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
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
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