Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-10 13:00 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Suppression of signal quality degradation due to nonlinear optical effects using optical correlation receivers or FIR filters Koki Takashima, Hirokazu Kubota, Yuji Miyoshi (Osaka Metropolitan Univ.) OCS2023-45 |
Inter-symbol interference occurs in optical signal transmission in optical fibers due to the compound effect of waveleng... [more] |
OCS2023-45 pp.12-15 |
RISING (3rd) |
2023-10-31 14:00 |
Hokkaido |
Kaderu 2・7 (Sapporo) |
[Poster Presentation]
Digital Signal Processing Based on Neural Networks
-- The Key Technology for Realizing High-capacity Optical Fiber Communication Systems -- Takuro Ochiai, Reiji Higuchi, Takuma Kuno (Nagoya Univ.), Ryuta Shiraki (Kyoto Univ.), Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) |
To fulfil the ever-increasing traffic demands, the introduction of quadrature amplitude modulation and coherent detectio... [more] |
|
OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 09:55 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Continuous time-domain measurement method of Rayleigh backscattered light Shiro Ryu (Meiji Univ.) OFT2023-13 |
We have proposed a method that enables continuous measurement of backscattered light from a specific point of an optical... [more] |
OFT2023-13 pp.21-26 |
CCS, IN (Joint) |
2023-08-04 10:58 |
Hokkaido |
Banya-no-yu |
Resource Allocation Optimization in Multi-User NOMA Systems Using Higher-Order Hamiltonians Shuho Ishibashi, Ohtsuka Teppei, Maki Arai (TUS), Aohan Li (UEC), Hiroki Takesue, Kensuke Inaba (NTT), Kazuyuki Aihara (UT), Mikio Hasegawa (TUS) CCS2023-24 |
Non-Orthogonal Multiple Access (NOMA) is a next-generation communication technology in which multiple users share a sing... [more] |
CCS2023-24 pp.37-42 |
PN, NS, OCS (Joint) |
2023-06-09 10:15 |
Kagawa |
(Primary: On-site, Secondary: Online) |
Demonstration of Optical Network Tomography with Software Prototype
-- Anomaly Loss Monitoring and Fiber-Type Identification -- Ryu Shinzaki, Motohiko Eto, Kazuyuki Tajima, Kyosuke Sone, Setsuo Yoshida, Shoichiro Oda (Fujitsu), Inwoong Kim, Olga Vassilieva, Paparao Palacharla (FNC), Takeshi Hoshida (Fujitsu) OCS2023-18 |
As a monitoring technology for maintenance and operation efficiency improvement of the optical network system, we have i... [more] |
OCS2023-18 pp.57-62 |
OCS, CS (Joint) |
2023-01-12 13:25 |
Fukuoka |
CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
[Invited Talk]
Digital Coherent Technology for Short-Range Optical Communications Toward Beyond 400G Hiroshi Miura, Junichi Suzuki, Nobuo Ohata, Keita Mochizuki, Naoki Suzuki (Mitsubishi Electric) OCS2022-60 |
Digital coherent transmission technology is expected to expand its application to short-haul optical communication appli... [more] |
OCS2022-60 pp.2-5 |
PN |
2022-11-07 14:35 |
Kochi |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Spot size converter having two stories employing anisotropic etching process Hajime Tanaka (SEI), Ryuji Yamabi (SEDI), Takamitsu Kitamura (SEDI/SEI), Hotino Kazuhiko (SEDI), Ishikawa Tsutomu (SEI), Mitsuru Ekawa (SEDI/SEI) PN2022-25 |
Coherent technology has been widely used from long haul to metro network. InP is a material having unique characteristic... [more] |
PN2022-25 pp.22-27 |
OCS, CS (Joint) |
2022-01-14 13:35 |
Yamaguchi |
Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
>100-Tb/s Capacity Wideband WDM Optical Transmission Technologie Fukutaro Hamaoka (NTT) OCS2021-38 |
This paper reviews trends in wideband WDM optical transmission technology for increasing the capacity of optical transmi... [more] |
OCS2021-38 pp.28-31 |
OFT |
2021-10-15 13:00 |
Online |
Online |
[Tutorial Invited Lecture]
Coherent optical communication technology and my research life Shiro Ryu (Meiji Univ.) OFT2021-48 |
Coherent optical communication technology was proposed at the end of the 1970s, and after about 30 years, it was put int... [more] |
OFT2021-48 pp.104-109 |
OFT |
2020-10-09 09:15 |
Online |
Online |
Measurement of Spatial Distribution of Fiber Birefringence by Coherent Heterodyne Detection of Rayleigth Backscattered Light Nanako Takei, Shiro Ryu (Meiji Univ.) OFT2020-25 |
Since the coherent technology uses the phase information of light, it can be applied to various optical measurement tech... [more] |
OFT2020-25 pp.62-67 |
OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 11:00 |
Hokkaido |
|
Study of Optical Phase Characteristics of Stokes and Transmitted Light in Fiber Brillouin Scattering Shiori Nozawa, Ryu Shiro (Meiji Univ.) OFT2019-28 |
Spontaneous and stimulated Brillouin scattering is a nonlinear phenomenon in optical fibers, and it is known that the st... [more] |
OFT2019-28 pp.23-28 |
PN |
2019-08-26 13:10 |
Hokkaido |
Kanpo-No-Yado Otaru |
[Invited Talk]
Research and Development of Beyond 400 Gbit/s Optical Trasnsmission Systems Hideki Maeda (NTT NS Lab.) PN2019-15 |
NTT was the first in the world to develop new technologies, promoted research and development of economical and reliable... [more] |
PN2019-15 pp.31-36 |
LQE, OPE, CPM, EMD, R |
2019-08-22 13:15 |
Miyagi |
|
[Invited Talk]
Ultra-high-speed optical transceivers in the Beyond Terra era
-- IMDD vs coherent viewed from the system side -- Hiroshi Onaka (Fujitsu Ltd.) R2019-19 EMD2019-17 CPM2019-18 OPE2019-46 LQE2019-24 |
This paper outlines the latest data center interconnection technology, then discuss the future prospects of terabit opti... [more] |
R2019-19 EMD2019-17 CPM2019-18 OPE2019-46 LQE2019-24 pp.1-4 |
LQE, OPE, CPM, EMD, R |
2019-08-22 14:15 |
Miyagi |
|
[Invited Talk]
Ultra boradband digital coherent technologies for 1Tb/s channel rate and beyond Takayuki Kobayashi (NTT) R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28 |
Research and development of optical transmission systems with over-1-Tb/s capacity per wavelength are underway to effici... [more] |
R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28 pp.21-24 |
LQE, OPE, SIPH |
2018-12-07 10:30 |
Tokyo |
Keio University |
[Invited Talk]
Widely Tunable Lasers based on DFB array at FURUKAWA Akihiko Kasukawa, Tatsuro Kurobe, Toshikazu Mukaihara (Furukawa Electric) OPE2018-131 LQE2018-141 SIPH2018-47 |
Widely tunable lasers (T-LD) had been developed for WDM CW light source during IT bubble since the system makers had to ... [more] |
OPE2018-131 LQE2018-141 SIPH2018-47 pp.171-176 |
LQE |
2018-07-12 15:15 |
Hokkaido |
|
[Invited Talk]
What will be a compelling technology for beyond-400 G systems; Devices vs. Packaging
-- Laser chips used in Intra- and inter- Data Centers -- Toshimitsu Kaneko (SUMITOMO ELECTRIC) LQE2018-25 |
400G is now a hot topic in high speed optical fiber communications behind increasing data traffic especially around Data... [more] |
LQE2018-25 pp.21-24 |
LQE |
2018-07-12 15:45 |
Hokkaido |
|
[Invited Talk]
What will be a compelling technology for beyond-400 Gbps systems; Devices vs. Packaging
-- Progress of InP-based Coherent Receivers and Future Prospect of Photonic Integrated Circuits -- Hideki Yagi, Naoko Inoue (SEI), Takuya Okimoto (SEDI), Takehiko Kikuchi (SEI) LQE2018-27 |
Currently, digital coherent transmission using spectrally-efficient modulation formats has been widely applied to not on... [more] |
LQE2018-27 pp.29-32 |
LQE |
2018-07-13 09:30 |
Hokkaido |
|
[Invited Talk]
Trends in InP-based optical modulator for digital coherent technology Nobuhiro Kikuchi (NTT) LQE2018-29 |
The digital coherent optical transport technologies are key technologies for high capacity optical networks. An InP-base... [more] |
LQE2018-29 pp.35-37 |
LQE |
2018-02-23 16:15 |
Kanagawa |
|
[Invited Talk]
Technology trends of high-capacity optical transmission and expectations for optical receivers Hiroshi Onaka (Fujitsu) LQE2017-158 |
This paper outlines the next generation high-capacity optical ransmission technology and optical transceiver focusing on... [more] |
LQE2017-158 pp.29-33 |
PN |
2016-09-01 14:05 |
Hokkaido |
KKR Hakodate |
[Invited Talk]
Fiber Nonlinearity Mitigation by Digital Signal Processing Tomofumi Oyama (Fujitsu Labs), Hisao Nakashima, Takeshi Hoshida (Fujitsu), Takahito Tanimura (Fujitsu Labs), Yuichi Akiyama (Fujitsu), Zhenning Tao (FRDC) PN2016-17 |
Digital-coherent technology has become an imperative technology for backbone optical communication systems, since linear... [more] |
PN2016-17 pp.15-21 |