Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
PN |
2022-08-30 09:00 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Intelligent design and control of optical networks that adopts supplemental information on link adjacency and maximum link utilization Kenji Cruzado, Ryuta Shiraki, Yojiro Mori (Nagoya Univ.), Takafumi Tanaka, Katsuaki Higashimori, Fumikazu Inuzuka, Takuya Ohara (NTT), Hiroshi Hasegawa (Nagoya Univ.) PN2022-14 |
We propose a reinforcement-learning-based network design and control algorithm that introduces stepwise reward variation... [more] |
PN2022-14 pp.31-35 |
PN |
2021-11-11 16:25 |
Online |
Online |
[Invited Talk]
Power-saving Aware Optical Path Assignment Technologies for WDM-SDM Optical Transport Networks Fumikazu Inuzuka (NTT), Toshifumi Nakamura, Hidefumi Noguchi, Shigeyuki Yanagimachi (NEC), Takafumi Tanaka, Yutaka Miyamoto (NTT) PN2021-31 |
Optical transport networks based on space-division multiplexed (SDM) technologies are expected to support the continuous... [more] |
PN2021-31 pp.30-36 |
PN |
2020-08-25 11:15 |
Online |
Online |
[Invited Lecture]
Upgrading of Network Maintenance using Bit Lossless ODU Path Protection Method Kei Kitamura, Fumikazu Inuzuka, Takafumi Tanaka, Takuya Ohara (NTT) PN2020-22 |
In the core/metro network, the capacity of traffic accommodated in the network is increasing and the traffic characteris... [more] |
PN2020-22 pp.57-62 |
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 |
ICM |
2016-07-07 14:45 |
Hokkaido |
|
Development of path accommodation design engine for multi-layer transport networks Akihiro Kadohata, Fumikazu Inuzuka, Wataru Kawakami, Atsushi Watanabe, Mitsuhiro Teshima, Hiroshi Tohjo (NTT) ICM2016-12 |
[more] |
ICM2016-12 pp.21-26 |
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 |
OFT, OCS (Joint) |
2009-08-27 13:35 |
Hokkaido |
|
Achievement of Subchannel Frequency Spacing Less Than Symbol Rate and Improvement of Dispersion Tolerance in Optical OFDM Transmission Shuto Yamamoto, Kazushige Yonenaga, Akio Sahara, Fumikazu Inuzuka, Atsushi Takada (NTT Co.) OCS2009-32 |
We propose a novel OFDM transmission where the frequency spacing of subchannels is less than the symbol rate. We show th... [more] |
OCS2009-32 pp.17-22 |
OCS, OFT (Joint) |
2008-08-28 16:35 |
Hokkaido |
|
Nonlinear Inter-channel Crosstalk Compensation using Pre-distortion in Carrier Phase Locked WDM Fumikazu Inuzuka, Etsushi Yamazaki, Kazushige Yonenaga, Atsushi Takada (NTT) OCS2008-41 |
Progress in high-speed electronic circuits and digital signal processing technologies has opened up possibilities in reg... [more] |
OCS2008-41 pp.47-50 |
OPE, LQE, OCS |
2006-10-12 15:50 |
Fukuoka |
Kyusyu Univ. Chikushi Campus |
Inter-channel linear/nonlinear crosstalk compensation in carrier phase locked WDM Fumikazu Inuzuka, Etsushi Yamazaki, Atsushi Takada, Kazushige Yonenaga, Masafumi Koga (NTT) OCS2006-44 OPE2006-97 LQE2006-86 |
A pre-compensation technique for inter-channel linear/nonlinear crosstalk cancellation in carrier phase locked WDM syste... [more] |
OCS2006-44 OPE2006-97 LQE2006-86 pp.33-38 |
CS, OCS, PN (Joint) |
2006-05-26 13:25 |
Shizuoka |
Shizuoka Univ. |
Wavelength-convertible OBS experimentwith multi-optical code labeled control packet using single en/decoder Sung-Myeong Koh, Satoshi Yoshima (Osaka Univ.), Etsushi Yamazaki, Fumikazu Inuzuka, Atsushi Takada (NTT), Naoya Wada (NICT), Gabriella Cincotti (Univ. of Roma), Ken-ichi Kitayama (Osaka Univ.) OCS2006-17 |
[more] |
OCS2006-17 pp.43-47 |
CS, OCS, PN (Joint) |
2006-05-26 14:15 |
Shizuoka |
Shizuoka Univ. |
Waveband path virtual concatenation with contention resolution provided by transparent waveband conversion using QPM-LN waveguides Etsushi Yamazaki, Fumikazu Inuzuka, Guy Weichenberg, Atsushi Takada, Jun Yamawaku, Toshio Morioka, Masafumi Koga (NTT) OCS2006-19 |
Simultaneous waveband conversion of 10 Gbit/s×64 wavelengths = 640 Gbit/s signal using quasi phase matched Lithium Nioba... [more] |
OCS2006-19 pp.55-60 |
PN, OPE, OFT, LQE |
2005-01-27 10:00 |
Osaka |
Osaka University |
Femtosecond interferometric measurement of nonlinear phase shift in semiconductor nanostructures Kazuhiko Misawa, Fumikazu Inuzuka, Roy Lang (Tokyo Univ. of A&T) |
[more] |
PN2004-86 OFT2004-92 OPE2004-193 LQE2004-140 pp.1-5 |