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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 11 of 11  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT 2021-05-13
15:10
Online Online Proposal of TAP Monitor Device for Multi-core Fiber
Asumi Kaya, Taketoshi Takahata, Yosuke Minagawa, Tetsuya Kobayashi (COPTOQUEST) OFT2021-5
In order to solve the communication capacity shortage expected in the future in optical fiber communication, multi-core ... [more] OFT2021-5
pp.17-22
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, CS
(Joint)
2021-01-15
13:00
Online Online Effect of spatial resolution of compensated wave front on performance in volume hologram demultiplexer
Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-34
We are proposing volume hologram mode demultiplexer (VHDM) as a demultiplexer for mode division multiplex communication.... [more] OCS2020-34
pp.37-41
OFT, ITE-BCT, OCS, IEE-CMN [detail] 2020-11-12
16:25
Online Online Wave front compensation method for output signal in volume hologram demultiplexer
Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-25
Volume Hologram mode De-Multiplexer (VHDM) using Volume Hologram (VH) is extremely cost effective because it can multipl... [more] OCS2020-25
pp.11-14
OCS, LQE, OPE 2019-10-18
14:30
Kagoshima   Improvement of Diffraction Efficiency of Mode Demultiplexer Using Volume Hologram at 1550 nm
Taijun Shiba, Atsushi Okamoto, Hotaka Hayashi, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Yuta Goto, Satoshi Shinada, Naoya Wada (NICT) OCS2019-47 OPE2019-85 LQE2019-63
To realize the mode division multiplexing transmission, we have proposed a volume holographic mode de-multiplexer (VHDM)... [more] OCS2019-47 OPE2019-85 LQE2019-63
pp.105-108
OFT, OCS, LSJ
(Joint) [detail]
2019-08-29
14:15
Hokkaido   Verification of input-power dependence of free-space coupling multi-core fiber devices
Tetsuya Kobayashi, Yosuke Minagawa, Masami Miyakozawa, Taketoshi Takahata (OPQ) OCS2019-20
In a multicore fiber (MCF), which is being actively studied as a main platform of space division multiplexing (SDM) tech... [more] OCS2019-20
pp.1-5
OFT 2019-01-17
14:35
Kagoshima Tanegashima space center, Nishinoomote Civic Hall [Invited Talk] Interferometric Fiber-Optic Gyroscope Using Multi-Core Fiber
Shinji Mitani, Kenichiro Nigo, Tadahito Mizutani (JAXA), Satoshi Karasawa, Haruyuki Endo, Taketoshi Takahata (OPQ) OFT2018-64
(To be available after the conference date) [more] OFT2018-64
pp.15-18
ITE-BCT, OCS, OFT, IEE-CMN [detail] 2018-11-09
15:45
Okayama Kurashiki-City-Geibunnkan Separation Characteristics of Volume Holographic Spatial Mode Demultiplexer at 1550 nm Wavelength
Satoshi Shinada (NICT), Shimpei Shimizu, Taijun Shiba (Hokkaido Univ.), Taketoshi Takahata (Optoquest), Atsushi Okamoto (Hokkaido Univ.), Naoya Wada (NICT) OCS2018-58
Spatial-mode multiplexer and demultiplexer (MUX/DEMUX) remains essential for systems of mode division multiplexing (MDM)... [more] OCS2018-58
pp.75-79
OFT, OCS, LSJ
(Joint) [detail]
2017-09-01
10:50
Hokkaido Hokkaido Univ. Separation Characteristics of Volume Holographic Spatial Mode Demultiplexer at 850 nm Wavelength
Shimpei Shimizu, Atsushi Okamoto, Fumiya Mizukawa, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Naoya Wada (NICT) OCS2017-31
In mode division multiplexing transmission, the spatial mode demultiplexing technique is required on the receive side. A... [more] OCS2017-31
pp.45-50
IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] 2017-02-20
14:30
Hokkaido Hokkaido Univ. Experiment on Dual-Wavelength Method toward Spatial Mode De-Multiplexing with Volume Hologram in Optical Communication Wavelength Band
Shimpei Shimizu, Atsushi Okamoto, Fumiya Mizukawa, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Naoya Wada (NICT)
In the mode division multiplexing transmission, the spatial mode de-multiplexing technique is required on the receive si... [more]
OFT, OCS
(Joint)
2015-08-27
15:50
Hokkaido   Design method and experiment of 6-LP mode excitation using free-space optics with phase plate
Shusaku Noda, Taketoshi Takahata, Hiroshi Tsuboya, Tetsuya Kobayashi (OPTOQUEST) OCS2015-31
An analytical design method of free-space optical systems is established that excites LP modes in FMF with low loss and ... [more] OCS2015-31
pp.1-6
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