Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2023-05-11 15:00 |
Iwate |
Aiina(Iwate) (Primary: On-site, Secondary: Online) |
Enlargement of Multicore Fiber Preform by modified cylinder method Koichi Maeda, Masanori Takahashi, Yusuke Matsuno, Ryuichi Sugizaki, Yoshihiro Arashitani (FEC) OFT2023-2 |
A modified cylinder method has been proposed as a new fabrication method for multicore fiber suitable for practical appl... [more] |
OFT2023-2 pp.6-9 |
PN |
2023-03-02 09:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Spatial division multiplexed amplification by Cladding pumped EDFA Shigehiro Takasaka (Furukawa Electric), Kohki Shibahara, Takayuki Kobayashi, (NTT), Koichi Maeda, Ryuichi Sugizaki (Furukawa Electric), Yutaka Miyamoto (NTT) PN2022-52 |
The use of multicore fiber is being considered to expand the transmission capacity of a single optical fiber. When coupl... [more] |
PN2022-52 pp.52-55 |
OCS, OFT, OPE (Joint) [detail] |
2023-02-17 10:05 |
Okinawa |
kukuru-itomancity (Primary: On-site, Secondary: Online) |
L-band 19-Core Erbium Doped Fiber Amplifier with Power Consumption of 1.2 W/core Shigehiro Takasaka, Koichi Maeda, Ryuichi Sugizaki, Yoshigehiro Arashitani (Furukawa Electric) OCS2022-80 OPE2022-108 |
[more] |
OCS2022-80 OPE2022-108 pp.52-55(OCS), pp.72-75(OPE) |
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 |
PN, NS, OCS (Joint) |
2021-06-25 13:50 |
Online |
Online |
Low-Loss and Low Crosstalk MuticoreFiber Masanri Takahashi, Koichi Maeda, Keiici Aiso, Kazunori Mukasa, Ryuichi Sugizaki (Furukawa Electric), Daiki Soma, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Yoshihiro Arasitani (Furukawa Electric) OCS2021-6 |
An uncoupled 125-μm-cladding 4-core multicore fiber (MCF) with record low-loss of 0.155dB/km among uncoupled MCFs was re... [more] |
OCS2021-6 pp.25-28 |
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 |
PN, NS, OCS (Joint) |
2020-06-18 11:35 |
Online |
Online |
Improvement of Characteristics of Multicore Fiber Fabricated by Modified Cylinder Method Masanori Takahashi, Koichi Maeda, Ryuichi Sugizaki (Furukawa Electric) OCS2020-2 |
[more] |
OCS2020-2 pp.7-10 |
OCS, ITE-BCT, OFT, IEE-CMN [detail] |
2019-11-22 10:55 |
Yamaguchi |
Kaikyo-Messe-Shimonoseki |
Application of Step Index Core to 5-Core MCF with Standard Cladding Diameter Masanori Takahashi, Koichi Maeda, Ryuichi Sugizaki, Masayoshi Tsukamoto (Furukawa Electric) OCS2019-64 |
To apply MCFs to practical optical transmission systems, a 5 core MCF having a clad diameter of 125 μm, which has a good... [more] |
OCS2019-64 pp.41-44 |
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, 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 |
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) |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2017-11-24 13:35 |
Osaka |
Kansa-Univ. Umeda Campus |
12 core MCF with hexagonal close-packed structure Ryuichi, Koichi Maeda, Kohei Kawasaki, Masato Shiino (Furukawa Electric) OFT2017-52 |
Structure of twelve-core MCF is optimized. Cladding diameter of this fiber is set to 200m to achieve relative core dens... [more] |
OFT2017-52 pp.57-61 |
OCS, OFT, OPE (Joint) [detail] |
2017-02-16 14:05 |
Osaka |
Osaka Prefecture University(I-site Nanba) |
Five core MCF for wide-band transmission Tomohiro Gonda, Katsunori Imamura, Koichi Maeda, Ryuichi Sugizaki (Furukawa Electric), Yu Kawaguchi, Takehiro Tsuritani (KDDI Research) OFT2016-44 OPE2016-159 |
A multicore fiber compatible with G.652 fibers are achieved. This MCF has center core and four outer core in 125... [more] |
OFT2016-44 OPE2016-159 pp.1-4 |