Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, OFT, OPE (Joint) [detail] |
2020-02-27 16:05 |
Okinawa |
Okinawa Jichikaikan |
[Fellow Memorial Lecture]
Research and development of high-speed link system
-- Transmission system design for 40G link system through global collaboration -- Akira Hirano (TDU) OCS2019-81 OPE2019-104 |
(Advance abstract in Japanese is available) [more] |
OCS2019-81 OPE2019-104 pp.17-21(OCS), pp.29-33(OPE) |
CS, OCS (Joint) |
2020-01-17 11:15 |
Oita |
Beppu Housensou Hotel (Oita Pref.) |
Demonstration of a Novel Framework for Proactive Maintenance using Failure Prediction and Bit Lossless Protection in Optical Transport Networks Fumikazu Inuzuka, Takuya Oda, Takafumi Tanaka, Kei Kitamura, Seiki Kuwabara (NTT), Akira Hirano (TDU), Takuya Ohara (NTT) OCS2019-77 |
We propose a novel framework for proactive maintenance that realizes disruption-free networks with low latency. The proa... [more] |
OCS2019-77 pp.67-70 |
PN |
2019-03-15 14:35 |
Okinawa |
Miyako Island Hirara Port Terminal Bldg. |
Large Capacity ODU Path Protection without Bit Disruption for Low Latency Core/Metro Network Kei Kitamura, Fumikazu Inuzuka, Takafumi Tanaka, Akira Hirano (NTT) PN2018-95 |
The growth of IP traffic continues and various new traffic characteristics such as low delay and high reliability are ap... [more] |
PN2018-95 pp.73-76 |
OCS, CS (Joint) |
2019-01-18 09:55 |
Okinawa |
Nobumoto Ohama Memorial Hall (Ishigaki Island) |
Optical Path Accommodation Design for SDM-based Optical Network Fumikazu Inuzuka, Takafumi Tanaka, Akira Hirano (NTT) OCS2018-78 |
(Advance abstract in Japanese is available) [more] |
OCS2018-78 pp.57-60 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2017-11-23 15:50 |
Osaka |
Kansa-Univ. Umeda Campus |
Demonstration and Theoretical Analyze of the Drive-amplitude-independent Auto Bias Control Technic for IQ Modulator Hiroto Kawakami, Shoichiro Kuwahara, Akira Hirano, Yoshiaki Kisaka (NTT) OCS2017-61 |
An external optical modulator widely used in an optical transmission system is required to add an appropriate bias volta... [more] |
OCS2017-61 pp.23-27 |
OCS |
2016-07-28 09:35 |
Tokyo |
tokodai-kuramae-kaikan |
Mode-Selective Coherent Detection Technique for Bundled Detection of Mode Division Multiplexed Signal Fukutaro Hamaoka, Seiji Okamoto, Kengo Horikoshi, Akira Hirano, Yutaka Miyamoto (NTT) OCS2016-20 |
(Advance abstract in Japanese is available) [more] |
OCS2016-20 pp.1-4 |
OCS, NS, PN (Joint) |
2016-06-24 13:15 |
Hokkaido |
Hokkaido University |
Pilot-aided Adaptive Pre-equalization for Spectral Narrowing and Chromatic Dispersion Seiji Okamoto, Mitsuteru Yoshida, Fukutaro Hamaoka, Akira Hirano (NTT) OCS2016-18 |
(Advance abstract in Japanese is available) [more] |
OCS2016-18 pp.49-54 |
OPE, LQE, OCS |
2015-10-29 16:30 |
Oita |
Beppu International Convention Center |
A Construction Method and Basic Characteristic Evaluation of Optical 8-Dimensional Modulation Using-Square-QAM Masanori Nakamura, Mitsuteru Yoshida, Kazushige Yonenaga, Akira Hirano (NTT) OCS2015-53 OPE2015-103 LQE2015-72 |
In photonic transport networks, highly spectrally efficient modulation formats are required to meet the demands imposed ... [more] |
OCS2015-53 OPE2015-103 LQE2015-72 pp.59-64 |
NS, OCS, PN (Joint) |
2015-06-18 14:50 |
Fukui |
Fukui-shi-chiiki-kouryu |
Applying a traffic-adaptive multi-layer path planning scheme to elastic optical networks Takafumi Tanaka, Akira Hirano (NTT) OCS2015-13 |
The increasing dynamicity of IP traffic in both the temporal and spatial domain according to the popularization of mobil... [more] |
OCS2015-13 pp.15-20 |
OCS, OFT (Joint) |
2014-08-29 11:15 |
Hokkaido |
Kushiro Royal Inn |
A Study on Optical Network Design for Reducing Maintenance-Related Cost for Maintenance-Free Operation Takuya Oda, Akihiro Kadohata, Tetsuro Inui, Atsushi Watanabe, Akira Hirano (NTT) OCS2014-38 |
The network maintenance and operation are desired to improve its workload-efficiency drastically due to decreasing the f... [more] |
OCS2014-38 pp.37-40 |
PN, NS, OCS (Joint) |
2014-06-26 15:45 |
Oita |
B-ConPlaza |
Proposal of Maintenance-Free-oriented Optical Transport Network and Demonstration of its Key Technologies Tetsuro Inui, Yoshiaki Yamada, Takafumi Tanaka, Takuya Oda, Kengo Shintaku, Akira Hirano (NTT) OCS2014-18 |
Looking ahead to the coming aging society with fewer children, the network operation is desired to improve its workload-... [more] |
OCS2014-18 pp.31-34 |
CS, OCS (Joint) |
2014-01-23 13:20 |
Tokyo |
Hajijo-jima Ohgagou Kouminkan |
Effectiveness Evaluation of IP over Elastic Optical Networks based on Multi-Flow Transponders Takafumi Tanaka, Akira Hirano (NTT), Masahiko Jinno (Kagawa Univ.) OCS2013-97 |
Elastic Optical Network, which enhances spectrum efficiency by introducing flexibility and adaptivity in the optical lay... [more] |
OCS2013-97 pp.31-36 |
CPM, LQE, ED |
2013-11-29 14:20 |
Osaka |
|
Development of AlGaN DUV-LEDs Masamichi Ippommatsu, Akira Hirano (UVCR), Hiroshi Amano (Nagoya Univ.), Isamu Akasaki (Meijyo Univ.) ED2013-84 CPM2013-143 LQE2013-119 |
We report on development for commercial production of 50mW class AlGaN based deep ultraviolet light -emitting diodes (DU... [more] |
ED2013-84 CPM2013-143 LQE2013-119 pp.91-94 |
OFT, OCS (Joint) |
2013-08-23 14:50 |
Hokkaido |
|
Adaptive transport frame for reconfigurable optical transponder toward Beyond 100G Kei Kitamura, Yoshiaki Yamada, Mitsuhiro Teshima, Akira Hirano (NTT) OCS2013-45 |
Photonic network with capability to handle dynamic and high capacity traffic will be expected to transport 400Gb/s ~1Tb/... [more] |
OCS2013-45 pp.49-54 |
PN |
2013-08-09 09:50 |
Hokkaido |
Hokkaido University |
Wavelength Defrag Scheme Based on Wavelength Path Resource Management Akihiro Kadohata, Takafumi Tanaka, Fumikazu Inuzuka, Atsushi Watanabe, Akira Hirano (NTT) PN2013-17 |
In core and metro networks, optical transparent wavelength division multiplexing (WDM) networks without Optical-Electric... [more] |
PN2013-17 pp.53-58 |
SIP, CAS, CS |
2013-03-15 15:10 |
Yamagata |
Keio Univ. Tsuruoka Campus (Yamagata) |
Novel variable coding rate FEC for elastic optical networks and its implementations and evaluations on GPU Yoshiaki Yamada, Takafumi Tanaka, Kei Kitamura, Kenji Hisadome, Mitsuhiro Teshima, Akira Hirano (NTT) CAS2012-129 SIP2012-160 CS2012-135 |
The elastic optical networks allocate adaptively minimum spectral resources for an optical path based on various network... [more] |
CAS2012-129 SIP2012-160 CS2012-135 pp.193-198 |
CS, OCS (Joint) |
2012-01-26 14:05 |
Mie |
ISESHI-KANKOUBUNKAKAIKAN |
A Study on Efficient Path Accommodation of Multi-Lane Optical Path in Transparent Networks Takafumi Tanaka, Yoshiaki Sone, Akira Hirano, Osamu Ishida (NTT) OCS2011-109 |
Researches on multi-lane optical paths, which enables transporting increasing and diversifying traffic efficiently in tr... [more] |
OCS2011-109 pp.23-28 |
OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2011-11-17 13:55 |
Shimane |
Shimane Univ. |
Reconfiguration of optical path Akihiro Kadohata, Akira Hirano, Yoshiaki Sone, Osamu Ishida (NTT) OCS2011-96 |
(Advance abstract in Japanese is available) [more] |
OCS2011-96 p.7 |
PN, OCS, NS (Joint) |
2011-06-24 14:50 |
Wakayama |
Wakayama University |
Multi-flow Optical Transponders
-- Toward Efficient Multi-layer Elastic Optical Networking -- Masahiko Jinno, Hidehiko Takara, Yoshiaki Sone, Kazushige Yonenaga, Akira Hirano, Shingo Kawai (NTT) OCS2011-21 |
(Advance abstract in Japanese is available) [more] |
OCS2011-21 pp.53-57 |
PN, OCS, NS (Joint) |
2011-06-24 16:30 |
Wakayama |
Wakayama University |
Opto-Electronic Hybrid Node Takuya Ohara, Akihiro Kadohata, Takeshi Kawai, Takashi Ono, Masahiro Suzuki, Tetsuro Komukai, Akira Hirano, Mitsunori Fukutoku (NTT) OCS2011-25 |
(Advance abstract in Japanese is available) [more] |
OCS2011-25 pp.77-82 |