Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
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 |
OPE, LQE, OCS |
2015-10-29 09:05 |
Oita |
Beppu International Convention Center |
Theoretical Analysis of Photon-Photon Resonance on Active Multimode Interferometer Laser Diode Bingzhou Hong, Mohammad Nasir Uddin, Takuya Kitano (Kyushu Univ.), Akio Tajima (Green Platform Research Laboratories, NEC), Haisong Jiang, Kiichi Hamamoto (Kyushu Univ.) OCS2015-41 OPE2015-91 LQE2015-60 |
(Advance abstract in Japanese is available) [more] |
OCS2015-41 OPE2015-91 LQE2015-60 pp.1-4 |
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 |
OPE, LQE |
2014-12-19 16:15 |
Tokyo |
Kikai-Shinko-Kaikan, NTT Atsugi R&D center |
Bandwidth Enhancement by Coupling to Higher Order Resonances in Active Multimode Interferometer Laser Diode Mohammad Nasir Uddin, Hong Bingzhou, Takuya Kitano (Kyushu Univ.), Akio Tajima (NEC), Kazutoshi Kato, Kiichi Hamamoto (Kyushu Univ.) OPE2014-149 LQE2014-136 |
Active multimode interferometer laser diode (MMI-LD) with split pump section has been designed and evaluated to achieve ... [more] |
OPE2014-149 LQE2014-136 pp.51-57 |
OCS, OPE, LQE |
2014-10-30 14:05 |
Nagasaki |
Nagasaki Museum of History and Culture |
Bandwidth Enhancement by Exploiting Photon-Photon Resonance in Active Multimode Interferometer Laser Diode Mohammad Nasiruddin, Hong Bingzhou, Takuya Kitano (Kyushu Univ.), Akio Tajima (NEC), Kazutoshi Kato, Kiichi Hamamoto (Kyushu Univ.) OCS2014-49 OPE2014-93 LQE2014-67 |
Active multimode interferometer laser diode (MMI-LD) with split pump section have been fabricated to achieve high 3 dB b... [more] |
OCS2014-49 OPE2014-93 LQE2014-67 pp.37-42 |
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 |
LQE, OCS, OPE |
2013-10-25 14:55 |
Fukuoka |
|
Demonstration of Resonance Frequency Enhancement Effect by Using Split Pumping Region in Active Multi-mode nterferometer Laser Diode Mohammad Nasir Uddin, Takaaki Kizu, Yasuhiro Hinokuma (Kyushu Univ.), Akio Tajima (NEC), Kazutoshi Kato, Kiichi Hamamoto (Kyushu Univ.) OCS2013-75 OPE2013-121 LQE2013-91 |
Laser diode capable of high speed direct modulation is one of the key solution for short distance applications. One prom... [more] |
OCS2013-75 OPE2013-121 LQE2013-91 pp.127-130 |
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 |
OPE, LQE, OCS |
2012-10-26 13:05 |
Miyazaki |
|
Evaluation of cross-talk characteristics of a highly integrated 8x48 transponder aggregator prototype based on Si photonics Hitoshi Takeshita, Tomoyuki Hino (NEC), Kiyo Ishii, Junya Kurumida, Shu Namiki (AIST), Shigeki Takahashi, Shigeru Nakamura, Akio Tajima (NEC) OCS2012-66 OPE2012-117 LQE2012-83 |
A prototype 8x48 transponder aggregator based on Si photonics which can be adapted to a commercial ROADM system is demon... [more] |
OCS2012-66 OPE2012-117 LQE2012-83 pp.129-134 |
OPE, LQE, EMD, CPM, OME (Joint) [detail] |
2012-06-22 10:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Single CW wavelength emission by using novel asymmetric active multi-mode interferometer (MMI) LDs Yasuhiro Hinokuma, Yutaka Chaen, Haisong Jiang, Takaaki Kizu, Takuma Hagio, Seiki Nakamura (Kyushu Univ.), Akio Tajima (NEC), Kiichi Hamamoto (Kyushu Univ.) OPE2012-12 LQE2012-16 |
Here we demonstrate single CW wavelength emission at room temperature (25 oC) on non-grating asymmetric active multi-mod... [more] |
OPE2012-12 LQE2012-16 pp.13-16 |
CS, OCS (Joint) |
2012-01-26 14:30 |
Mie |
ISESHI-KANKOUBUNKAKAIKAN |
Research and Development on Photonic Transparent Transmission Technologies (λ-Reach Project)
-- Expanding Transmission Area with Dynamic Adaptive Modulation and Equalization Techniques -- Kazushige Yonenaga (NTT), Hiroshi Onaka (Fujitsu), Akihiro Maruta (Osaka Univ.), Takashi Sugihara (Mitsubishi Electric), Akio Tajima (NEC), Ken-ichi Sato (Nagoya Univ.), Senichi Suzuki (NTT) OCS2011-110 |
This paper describes the overview of “Research and Development on Photonic Transparent Transmission Technologies (λ-Reac... [more] |
OCS2011-110 pp.29-34 |
CS, OCS (Joint) |
2012-01-26 14:55 |
Mie |
ISESHI-KANKOUBUNKAKAIKAN |
A field test of high-speed wavelength-division multiplexing quantum key distribution system Ken-ichiro Yoshino (NEC), Mikio Fujiwara (NICT), Akihiro Tanaka, Seigo Takahashi, Yoshihiro Nambu (NEC), Akihisa Tomita (Hokkaido Univ.), Shigehito Miki, Taro Yamashita, Zhen Wang, Masahide Sasaki (NICT), Akio Tajima (NEC) OCS2011-111 |
A high-speed quantum key distribution system was developed with the wavelength-division multiplexing (WDM) technique and... [more] |
OCS2011-111 pp.35-38 |
PN |
2011-03-01 14:40 |
Kagoshima |
KKR Kagoshima Keitenkaku |
Optical Flow-Switched Networks by Time-Shifted Scheduling method Yosuke Katsukawa (Osaka Univ.), Shaowei Huang, Akio Tajima, Soichiro Araki (NEC), Ken-ichi Kitayama (Osaka Univ.) PN2010-76 |
Optical flow switching (OFS) has been proposed as a simple optical transport technology for providing quality of service... [more] |
PN2010-76 pp.99-102 |
OCS, CS (Joint) |
2011-01-27 14:50 |
Tokushima |
The University of Tokushima |
Development of a key distillation hardware engine for high speed quantum-key distribution Akihiro Tanaka (NEC), Mikio Fujiwara (NICT), Akihisa Tomita (Hokkaido univ), Akio Tajima (NEC) OCS2010-103 |
Not only the improvement of single photon transmission performance, but also the improvement of the subsequent signal pr... [more] |
OCS2010-103 pp.25-30 |
NS |
2010-10-21 12:40 |
Osaka |
Osaka Univ. |
Fast Path Control Method for On-demand Service in Multi-domain Networks Yohei Iizawa, Shinya Ishida, Itaru Nishioka, Akio Tajima, Soichiro Araki (NEC) NS2010-74 |
Carriers are deploying GMPLS to their networks for on-demand services. For further deployments, an inter-domain path con... [more] |
NS2010-74 pp.25-30 |