Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-10 13:50 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Estimation and localization of anomaly PDL in optical fiber link using longitudinal power profile estimation in coherent receiver Minami Takahashi, Takeo Sasai, Etsushi Yamazaki, Yoshiaki Kisaka (NTT) OCS2023-47 |
We experimentally demonstrate fiber-longitudinal monitoring that visualizes polarization-wise signal power profiles. The... [more] |
OCS2023-47 pp.20-23 |
OCS, PN, NS (Joint) |
2022-06-10 13:25 |
Online |
Online |
Decoding Complexity Reduction of Forward Error Correction by Channel-polarized Multilevel Coding Takeshi Kakizaki, Masanori Nakamura, Fukutaro Hamaoka, Yoshiaki Kisaka (NTT) OCS2022-11 |
In a digital coherent optical communication system, it is necessary to design a forward error correction (FEC) and modul... [more] |
OCS2022-11 pp.6-11 |
OCS, CS (Joint) |
2021-01-15 15:15 |
Online |
Online |
Digital backpropagation for optical path monitoring
-- Loss and Dispersion profile estimation -- Takeo Sasai, Masanori Nakamura, Shuto Yamamoto, Etsushi Yamazaki, Hideki Nishizawa, Yoshiaki Kisaka (NTT) OCS2020-39 |
(Advance abstract in Japanese is available) [more] |
OCS2020-39 pp.61-64 |
CS, OCS (Joint) |
2020-01-16 10:00 |
Oita |
Beppu Housensou Hotel (Oita Pref.) |
255-Gb/s PAM8 O-band Transmission through 10-km SMF using simplified MLSE based on Trellis-path Limitation Hiroki Taniguchi, Shuto Yamamoto, Masanori Nakamura, Yoshiaki Kisaka (NTT) OCS2019-65 |
近年のデータセンタネットワークのトラフィック増大に伴い、短距離向け光伝送システムの大容量化が期待されている。大容量化に伴う帯域制限および波長分散の耐力を向上するチャネル等化技術として有効である最尤系列推定は信号の多値化に起因する演算量増大が... [more] |
OCS2019-65 pp.1-6 |
CS, OCS (Joint) |
2020-01-16 10:25 |
Oita |
Beppu Housensou Hotel (Oita Pref.) |
Spectral Shaping Technique Based on Nonlinear Differential Coding for Short Reach Optical Transmission Shuto Yamamoto, Hiroki Taniguchi, Masanori Nakamura, Yoshiaki Kisaka (NTT) OCS2019-66 |
(Advance abstract in Japanese is available) [more] |
OCS2019-66 pp.7-12 |
OCS, PN, NS (Joint) |
2019-06-21 15:35 |
Iwate |
MALIOS(Morioka) |
255Gb/s PAM-8 O-band transmission using MLSE based on nonlinear channel estimation with 20-GHz bandwidth limitation. Hiroki Taniguchi, Shuto Yamamoto, Masanori Nakamura, Yoshiaki Kisaka (NTT) OCS2019-18 |
In recent years, network traffic of inter and intra data centers is projected to increase at a rate of about 1.3 times a... [more] |
OCS2019-18 pp.43-46 |
OCS, OFT, LSJ (Joint) [detail] |
2018-08-30 16:50 |
Hokkaido |
Hakodate Hokuyo Building 8Kai Hall |
600 Gbps/λ Signal Transmission Technologies Employing High-order Modulation Formats Asuka Matsushita, Masanori Nakamura, Fukutaro Hamaoka, Seiji Okamoto, Yoshiaki Kisaka (NTT) OCS2018-23 |
The communication traffic is increasing exponentially and there are demands to increase the capacity of optical transmis... [more] |
OCS2018-23 pp.25-29 |
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, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2013-11-22 10:25 |
Niigata |
Nagaoka University of Technology |
In-band OSNR Estimation with Training Sequence for Polarization-Division Multiplexed Optical Transmission System Seiji Okamoto, Yoshiaki Kisaka, Etsushi Yamazaki, Koichi Ishihara, Tomoyoshi Kataoka (NTT) OCS2013-86 |
We show the optical signal-to-noise power ratio (OSNR) estimation technique that uses time-division multiplexed training... [more] |
OCS2013-86 pp.25-29 |
OCS |
2007-05-11 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Fully transparent multiplexing and transport of 10GbE-LANPHY signals in 44.6-Gbit/s RZ-DQPSK WDM transmission Yoshiaki Kisaka, Shigeki Aisawa, Masahito Tomizawa, Yutaka Miyamoto, Kazuhiko Terada, Noboru Iwasaki, Akihide Sano, Hiroji Masuda (NTT), Masafumi Koga (NTT/Oita Univ.) OCS2007-3 |
We successfully demonstrate transparent 10GbE-LANPHY transport in 44.6-Gbit/s RZ-DQPSK WDM transmission for the first ti... [more] |
OCS2007-3 pp.11-15 |
NS, OCS (Joint) |
2007-01-26 15:40 |
Miyazaki |
|
14 Tb/s transmission experiment using 111 Gb/s/ch CSRZ-DQPSK format and extended L-band EDFAs Akihide Sano, Hiroji Masuda, Yoshiaki Kisaka, Shigeki Aisawa, Eiji Yoshida, Yutaka Miyamoto, Takashi Yamada, Tomofumi Furuta, Hiroyuki Fukuyama (NTT) OCS2006-88 |
In longhaul WDM transmission systems, 100-Gb/s-class high-speed transmission technologies have lately attracted consider... [more] |
OCS2006-88 pp.79-84 |