Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2023-10-12 10:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
The effects of core-to-core distances of MCFs and spatial resolutions of DSSs on MCF shape sensing Takafumi Ogura, Makito Kobayashi (UTokyo), Masaki Wada, Takashi Matsui, Kazuhide Nakajima (NTT), Kengo Koizumi, Hitoshi Murai (OKI), Hideaki Murayama (UTokyo) OFT2023-18 |
A multi-core fiber (MCF) with three times the core spacing of conventional fibers was developed for shape sensing of def... [more] |
OFT2023-18 pp.11-14 |
OFT |
2020-10-08 11:40 |
Online |
Online |
[Poster Presentation]
Basic study of shape sensing for large-scale line structures with multi-core fibers by Brillouin OTDR Makito Kobayashi, Yoshiki Maeda, Kimihiro Toh (the Univ. of Tokyo), Nobutomo Hanzawa (NTT), Kengo Koizumi, Hitoshi Murai (OKI), Ryota Wada (the Univ. of Tokyo), Takashi Matsui, Kazuhide Nakajima (NTT), Hideaki Murayama (the Univ. of Tokyo) OFT2020-19 |
It is difficult to observe the behavior of large-scale line structures used in offshore systems directly, such as risers... [more] |
OFT2020-19 pp.41-45 |
QIT (2nd) |
2019-05-20 13:20 |
Fukuoka |
Kyushu University, Chikushi Campus |
[Poster Presentation]
WDM photon-pair source stabilized at a wide temperature range using cascaded SFG/SPC and DFG monitoring Shin Arahira, Hitoshi Murai, Hironori Sasaki (OKI) |
[more] |
|
OPE, LQE, OCS |
2018-10-19 14:30 |
Saga |
|
Statistical Treatment of the Possible Maximum Rate of Rotation of Stokes Vector inOptical Transmission Line Yoshihiro Kanda, Hitoshi Murai, Sasaki Hironori (OKI) OCS2018-48 OPE2018-84 LQE2018-73 |
We study the statistical distribution of the possible maximum rate of rotation of output Stokes vector at each instant f... [more] |
OCS2018-48 OPE2018-84 LQE2018-73 pp.111-116 |
QIT (2nd) |
2018-06-04 13:20 |
Hiroshima |
ICCH Ran |
[Poster Presentation]
Proposal of simple authentication and secret-key-sharing system using a threshold-type single photon detector Shin Arahira, Hitoshi Murai (OKI) |
We report a quantum-mechanics-based authentication and secret-key-sharing system using intensity modulated light pulses ... [more] |
|
QIT (2nd) |
2017-05-29 15:00 |
Kyoto |
Ritesumeikan University, Suzaku Campus |
[Poster Presentation]
Integrity monitoring of quantum-entangled photon-pair source using differential-frequency-generation efficiency Shin Arahira, Hitoshi Murai, Hironori Sasaki (OKI) |
[more] |
|
QIT (2nd) |
2016-05-30 13:00 |
Kochi |
Kochi University of Technology Eikokuji campus |
[Poster Presentation]
Generation of WDM time-bin entanglement using cascaded sum-frequency generation/spontaneous parametric down conversion in a PPLN waveguide device Shin Arahira, Hitoshi Murai, Hironori Sasaki (OKI) |
We report the generation of WDM time-bin entanglement by using cascaded optical nonlinearities: sum-frequency generation... [more] |
|
OPE, LQE, OCS |
2015-10-30 13:25 |
Oita |
Beppu International Convention Center |
Principal states of time-varying birefringence and instantaneous angular-velocity of SOP trajectory
-- Intrinsic characterization of time-varying distributed birefringence -- Yoshihiro Kanda, Hitoshi Murai (OKI) OCS2015-76 OPE2015-126 LQE2015-95 |
(Advance abstract in Japanese is available) [more] |
OCS2015-76 OPE2015-126 LQE2015-95 pp.173-176 |
QIT (2nd) |
2014-11-17 13:30 |
Miyagi |
Tohoku Univ. |
[Poster Presentation]
Efficient polarization-entangled photon generation using two-period PPLN waveguides Bo Cao, Qiechun Chen, Wakana Ueno, Masahiro Yabuno, Yasuyoshi Mitsumori (Tohoku Univ), Tadashi Kishimoto, Hitoshi Murai (OKI), Keiichi Edamatsu (Tohoku Univ) |
[more] |
|
QIT (2nd) |
2014-11-17 13:30 |
Miyagi |
Tohoku Univ. |
[Poster Presentation]
High-rate distribution of quantum-entangled photon-pairs over standard single-mode fibers with 1-GHz-clock SPDs and low-loss space-optics-based optical modules Shin Arahira, Hitoshi Murai (OKI) |
[more] |
|
QIT (2nd) |
2014-05-12 - 2014-05-13 |
Aichi |
Nagoya Univ. |
[Poster Presentation]
Generation of polarization-entangled photon-pairs by cascaded SFG/SPDC using incoherent pump light Shin Arahira, Hitoshi Murai (OKI) |
[more] |
|
LQE, OCS, OPE |
2013-10-24 16:20 |
Fukuoka |
|
Broadband PMD/PDL Vector Emulator using Spatial Light Modulators Yoshihiro Kanda, Hitoshi Murai (OKI) OCS2013-60 OPE2013-106 LQE2013-76 |
In this report, we propose a broadband arbitrary transfer-function matrix generator using spatial light modulators (SLM)... [more] |
OCS2013-60 OPE2013-106 LQE2013-76 pp.57-62 |
QIT (2nd) |
2013-05-27 - 2013-05-28 |
Hokkaido |
Hokkaido Univ. |
[Poster Presentation]
Generation of WDM polarization-entangled photon pairs by cascaded SFG/SPDC method in a 1.5-mm wavelength band Shin Arahira, Hitoshi Murai (OKI) |
[more] |
|
MWP, OPE, MW, EMT, EST, IEE-EMT [detail] |
2012-07-26 13:15 |
Hokkaido |
Hokkaido Univ. |
Stabilization of 40 Gbit/s optical DQPSK demodulator Masaki Nishioka, Takuya Chikamoto, Tatsuya Shimizu, Hiroyuki Toda (Doshisha Univ.), Koji Inafune, Masatoshi Kagawa, Hitoshi Murai (OKI) MW2012-41 OPE2012-34 EST2012-23 MWP2012-22 |
We demonstrate a stabilization of 40 Gbit/s optical DQPSK demodulator using a wavelength tunable CW laser. The BER of th... [more] |
MW2012-41 OPE2012-34 EST2012-23 MWP2012-22 pp.101-104 |
QIT (2nd) |
2012-05-21 13:20 |
Fukui |
Fukui Univ. |
[Poster Presentation]
Distribution of polarization-entangled photon-pairs generated by cascaded SHG/SPDC over standard single-mode fibers Shin Arahira, Hitoshi Murai (OKI) |
We report long-distance distribution of polarization-entangled photon-pairs generated by cascaded SHG/SPDC in a periodic... [more] |
|
QIT (2nd) |
2011-11-21 14:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
[Poster Presentation]
Polarization-entangled photon-pair generation by cascaded SHG/SPDC processes in PPLN waveguide device Tadashi Kishimoto (OKI), Naoto Namekata, Takahide Sakaidani (Nihon Univ.), Shin Arahira, Hitoshi Murai (OKI), Shuichiro Inoue (Nihon Univ.) |
We report the generation of high-purity polarization entanglement in a 1.5-um telecommunication wavelength band using ca... [more] |
|
OCS, LQE, OPE |
2011-10-28 09:45 |
Kochi |
Kochi University of Technology |
160 Gb/s error-free transmission over 5000 km using all optical 3R regenerator Yoshihiro Kanda, Koji Inafune, Akihiro Fujii, Masatoshi Kagawa, Shin Arahira, Hitoshi Murai (OKI) OCS2011-81 OPE2011-119 LQE2011-82 |
Transoceanic transmission at 160 Gb/s was successfully demonstrated by introducing an all optical retiming, reshaping, r... [more] |
OCS2011-81 OPE2011-119 LQE2011-82 pp.139-144 |
PN, OCS, NS (Joint) |
2011-06-23 12:30 |
Wakayama |
Wakayama University |
In-service identification of signal quality by using wavelength resolved stokes vector analysis Hitoshi Takeshita, Arihide Noda (NEC), Yoshihiro Kanda, Masatoshi Kagawa, Hitoshi Murai (OKI) OCS2011-11 |
(Advance abstract in Japanese is available) [more] |
OCS2011-11 pp.1-6 |
PN, OCS, NS (Joint) |
2011-06-23 15:15 |
Wakayama |
Wakayama University |
160 Gbit/s RZ/CS-RZ OTDM multiplexer with stabilization of phase difference between adjacent optical pulses Tatsuya Shimizu, Masafumi Nagao (Doshisha Univ.), Koji Inafune, Masatoshi Kagawa, Hitoshi Murai (OKI), Hiroyuki Toda (Doshisha Univ.) OCS2011-17 |
We demonstrated a 160 Gbit/s RZ/CS-RZ OTDM multiplexer, where optical phase between adjacent channels was stabilized. O... [more] |
OCS2011-17 pp.33-37 |
LQE, OPE, OCS |
2010-10-29 12:00 |
Fukuoka |
Mojiko Retro Town, Minato house |
40Gb/s-BPSK signal demodulation using a highly stable optical phase lock loop circuit Akihiro Fujii, Yoshihiro Kanda, Koji Inafune, Masatoshi Kagawa, Shin Arahira, Hitoshi Murai (OKI) OCS2010-78 OPE2010-114 LQE2010-87 |
[more] |
OCS2010-78 OPE2010-114 LQE2010-87 pp.131-136 |