Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OPE, LQE, OFT, OCS |
2024-05-17 13:05 |
Online |
Online |
[Invited Talk]
Report on OFC2024
-- Core Transmission -- Yusuke Sasaki, Hitoshi Takeshita, Masaki Sato (NEC) OCS2024-1 OFT2024-12 OPE2024-1 LQE2024-1 |
[more] |
OCS2024-1 OFT2024-12 OPE2024-1 LQE2024-1 pp.1-6 |
PN, NS, OCS (Joint) |
2023-06-09 09:25 |
Kagawa |
(Primary: On-site, Secondary: Online) |
Efficient Accommodation of Asymmetric Traffic in Single Multicore-Fiber Bidirectional Spatial Channel Network Based on Spatial Cross-Connect and Multicore EDFA Kyosuke Nakada (Kagawa Univ), Hitoshi Takeshita (NEC), Yuki Kuno (santec), Yusuke Matsuno (Furukawa Electric), Itsuki Urashima (Kagawa Univ), Yusuke Shimomura (NEC), Yuji Hotta (santec), Tsubasa Sasaki (Furukawa Electric), Yudai Uchida (Kagawa Univ), Kohei Hosokawa (NEC), Ryohei Otowa (santec), Rika Tahara (Kagawa Univ), Emmanuel Le Taillandier de Gabory (NEC), Yasuki Sakurai (santec), Ryuichi Sugizaki (Furukawa Electric), Masahiko Jinno (Kagawa Univ) OCS2023-16 |
[more] |
OCS2023-16 pp.45-50 |
OCS, LQE, OPE |
2023-05-26 13:05 |
Online |
Online |
[Invited Talk]
Report on OFC2023 -Core Transmission- Masaki Sato, Hitoshi Takeshita (NEC) OCS2023-1 OPE2023-1 LQE2023-1 |
This report summarizes the research and development results presented and discussed at OFC2023, focusing on research tre... [more] |
OCS2023-1 OPE2023-1 LQE2023-1 pp.1-6 |
OCS, PN, NS (Joint) |
2022-06-10 14:50 |
Online |
Online |
[Invited Talk]
Demonstration of submarine cable system using multicore fiber and multicore amplifier hitoshi Takeshita (NEC) PN2022-5 |
15.4 km-length multicore submarine cable prototype using un-coupled 4-core multicore fiber with 125 μm standard cladding... [more] |
PN2022-5 pp.1-6 |
OPE, LQE, OCS |
2022-05-13 13:05 |
Online |
Online |
[Invited Talk]
Report on OFC2022
-- Core Transmission -- Masaki Sato, Hitoshi Takeshita (NEC) OCS2022-1 OPE2022-1 LQE2022-1 |
[more] |
OCS2022-1 OPE2022-1 LQE2022-1 pp.1-5 |
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 |
LQE, OCS, OPE |
2019-05-13 13:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Report on OFC2019 - Core Transmission - Hitoshi Takeshita, Emmanuel Le Taillandier de Gabory (NEC) OCS2019-1 OPE2019-1 LQE2019-1 |
(Advance abstract in Japanese is available) [more] |
OCS2019-1 OPE2019-1 LQE2019-1 pp.1-5 |
OPE, OCS, LQE |
2018-05-11 13:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg (Tokyo) |
[Invited Talk]
Report on OFC2018
-- Core Transmission -- Hitoshi Takeshita (NEC) OCS2018-1 OPE2018-1 LQE2018-1 |
(Advance abstract in Japanese is available) [more] |
OCS2018-1 OPE2018-1 LQE2018-1 pp.1-4 |
PN |
2018-03-05 17:05 |
Kagoshima |
Minami Tanemachi Shoko Kaikan |
[Invited Talk]
Improvement of the Utilization Efficiency of Optical Submarine Cables in Optical Networks Interconnecting Data Centers Shinsuke Fujisawa, Hitoshi Takeshita, Shigeyuki Yanagimachi, Emmanuel Le Taillandier de Gabory (NEC) PN2017-100 |
Traffic demands between data centers located across the globe are continuously growing with the widespread use of variou... [more] |
PN2017-100 pp.61-66 |
PN |
2017-11-16 11:05 |
Tokyo |
Kogakuin Univ. |
[Invited Talk]
Research and Development on Elastic Optical Networking Technologies (Elastic Lambda Project) Tetsuro Inui, Takafumi Tanaka, Yoshiaki Yamada (NTT), Yutaka Takita, Toru Katagiri (Fujitsu), Hiroshi Hasegawa, Ken-ichi Sato (Nagoya Univ.), Hitoshi Takeshita, Baku Yatabe (NEC), Masahiko Jinno (Kagawa Univ.) PN2017-34 |
This paper describes the overview of "Research and Development on Elastic Optical Networking Technologies (Elastic Lambd... [more] |
PN2017-34 pp.41-48 |
PN, NS, OCS (Joint) |
2017-06-15 12:10 |
Akita |
Akita Univ. |
Failure Recovery Performance Improvement by reachability extension technologies of optical path for flexible grid based optical network Hitoshi Takeshita, Takefumi Oguma, Shinsuke Fujisawa, Baku Yatabe, Yuta Suzuki, Akio Tajima, Emmanuel Le Taillandier de Gabory (NEC) OCS2017-14 |
(Advance abstract in Japanese is available) [more] |
OCS2017-14 pp.17-22 |
OCS, OPE |
2017-05-12 13:05 |
Tokyo |
Kikai-Shinko-Kaikan Bldg(Tokyo) |
[Invited Talk]
Report on OFC2017 - Core Transmission - Hitoshi Takeshita, Emmanuel Le Taillandier de Gabory (NEC) OCS2017-1 OPE2017-1 |
Optical Fiber Communications (OFC) 2017 was held at Los Angeles, California, USA. In this paper, we will report the tren... [more] |
OCS2017-1 OPE2017-1 pp.1-4 |
PN |
2017-04-24 15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Recent studies of Disaggregated Optical Transmission System Shigeyuki Yanagimachi, Hitoshi Takeshita, Shigeru Nakamura, Akio Tajima (NEC) PN2017-4 |
Recently, argument continues about open system for optical transmission system by AT&T, Google and Facebook. In this pap... [more] |
PN2017-4 pp.19-25 |
OCS, CS (Joint) |
2017-01-20 10:45 |
Fukuoka |
Kyushu Sangyo University |
Improvement of band narrowing characteristics of Simplified Optical Cross Connect for improving optical path reachability of elastic optical networks Baku Yatabe, Yurie Matsuyama, Hitoshi Takeshita, Shinsuke Fujisawa, Takeshi Nakata, Akio Tajima, Takehumi Oguma (NEC) OCS2016-68 |
In an elastic optical network that enables capacity expansion and flexibility improvement of optical communication syste... [more] |
OCS2016-68 pp.21-25 |
OPE, EST, LQE, EMT, PN, MWP, IEE-EMT [detail] |
2017-01-19 13:10 |
Mie |
Iseshi Kanko Bunka Kaikan |
[Invited Talk]
Elastic Optical Path Control Methods for Highly-Reliable Optical Network Shinsuke Fujisawa, Hitoshi Takeshita, Akio Tajima (NEC) PN2016-69 EMT2016-98 OPE2016-144 LQE2016-133 EST2016-108 MWP2016-82 |
Elastic optical path control methods are proposed to enhance failure recovery performance. With the methods, additional ... [more] |
PN2016-69 EMT2016-98 OPE2016-144 LQE2016-133 EST2016-108 MWP2016-82 pp.157-163 |
OCS, NS, PN (Joint) |
2016-06-23 11:40 |
Hokkaido |
Hokkaido University |
Proposal and evaluation of a novel Simplified Optical Cross Connect Architecture for enhancement of reachability of elastic optical path Hitoshi Takeshita, Yurie Matsuyama, Takefumi Oguma, Shinsuke Fujisawa, Akio Tajima (NEC) OCS2016-12 |
Elastic optical network is promising because of its high spectral efficiency. But, it has a problem that reachability of... [more] |
OCS2016-12 pp.17-22 |
NS, OCS, PN (Joint) |
2015-06-19 13:50 |
Fukui |
Fukui-shi-chiiki-kouryu |
A transponder aggregator subsystem using compact and low-loss silicon photonic switch module for CDC-ROADM Akio Tajima, Shigeyuki Yanagimachi, Shigeru Nakamura, Hitoshi Takeshita, Tomoyuki Hino, Kiyoshi Fukuchi (NEC) OCS2015-20 |
Optical switch based on silicon photonics technology which enables small size and high scalability is attractive for the... [more] |
OCS2015-20 pp.49-54 |
PN, NS, OCS (Joint) |
2014-06-26 15:20 |
Oita |
B-ConPlaza |
Proposal of a distance adaptive optical path planning algorithm for elastic optical network Hitoshi Takeshita, Shinsuke Fujisawa, Tomoyuki Hino, Akio Tajima (NEC) OCS2014-17 |
We will propose a distance adaptive optical path planning algorithm in order to improve bandwidth usage of elastic optic... [more] |
OCS2014-17 pp.25-29 |
PN |
2013-11-11 16:25 |
Tokyo |
Waseda University |
[Invited Talk]
Examination of Power Saving Effect by Optical Cut-Through Node System using Multi-Standby State Transponders Kenji Mizutani, Hitoshi Takeshita, Ryuichi Ikematsu (NEC), Kiyo Ishii, Junya Kurumida, Shu Namiki (AIST), Akio Tajima (NEC) PN2013-29 |
We have developed optical cut-through node system using power saving transponder based on dynamic power management techn... [more] |
PN2013-29 pp.27-32 |
OCS, PN, NS (Joint) |
2013-06-21 13:45 |
Fukushima |
College of Engineering, Nihon University |
Development of a scalable transponder aggregator prototype by highly integrated optical switches based on Si photonics technology Hitoshi Takeshita, Tomoyuki Hino, Shigeru Nakamura, Akio Tajima (NEC), Kiyo Ishii, Junya Kurumida, Shu Namiki (AIST) OCS2013-17 |
We have developed highly integrated optical switches based on Si photonics technology in order to enlarge capacity and r... [more] |
OCS2013-17 pp.37-42 |