Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
NS, PN, OCS (Joint) |
2024-06-06 09:25 |
Nagasaki |
(Primary: On-site, Secondary: Online) |
Rx DSP-based Fibre-longitudinal Monitoring of Power Transitions by Inter-band SRS in S+C+L-band Transmission Runa Kaneko, Takeo Sasai, Fukutaro Hamaoka, Masanori Nakamura, Etsushi Yamazaki (NTT) |
[more] |
|
OPE, LQE, OFT, OCS |
2024-05-17 16:30 |
Online |
Online |
[Special Invited Talk]
100-GHz EO bandwidth Low-cost PCB based Coherent Tx Front-end enabling 2-Tb/s/λ Optical Transmission Hitoshi Wakita, Munehiko Nagatani (NTT Corp.), Yoshihiro Ogiso, Masanori Nakamura, Fukutaro Hamaoka, Yuta Shiratori, Takayuki Kobayashi, Yutaka Miyamoto, Hiroyuki Takahashi (NTT Corp.) |
[more] |
|
OCS, CS (Joint) |
2024-01-12 09:30 |
Kagoshima |
|
Digital inverse multiplexing modelling-based pre-distortion for broadband signal generation with analog-multiplexed DACs Akira Kawai, Masanori Nakamura, Takayuki Kobayashi, Munehiko Nagatani, Hiroshi Yamazaki, Takeo Sasai, Fukutaro Hamaoka, Yutaka Miyamoto (NTT) OCS2023-62 |
(Advance abstract in Japanese is available) [more] |
OCS2023-62 pp.26-30 |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-10 13:25 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Gaussian-noise-model-based SNR Estimation in 15.2-THz Bandwidth 400-km Inline-amplified Transmission Kosuke Kimura, Takayuki Kobayashi, Shimpei Shimpei, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira Kawai, Fukutaro Hamaoka, Yutaka Miyamoto (NTT) OCS2023-46 |
We demonstrated that mean errors of the SNRs estimated with GN model accounting for SRS were less than 1 dB in 15.2-THz ... [more] |
OCS2023-46 pp.16-19 |
PN, NS, OCS (Joint) |
2023-06-08 15:25 |
Kagawa |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Multi-Terabit Optical Transmission with Ultra High Symbol Rate Signal Generation and Detection Technologies Masanori Nakamura (NTT) NS2023-26 OCS2023-12 PN2023-8 |
With the rapid increase of network traffic, expansion of transmission capacity per wavelength of a digital coherent opti... [more] |
NS2023-26 OCS2023-12 PN2023-8 pp.35-40(NS), pp.16-21(OCS), pp.16-21(PN) |
OCS, LQE, OPE |
2023-05-26 16:30 |
Online |
Online |
[Special Invited Talk]
14.1-THz Wide-band WDM Transmission using PPLN-based Optical Parametric Inline Amplifier Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto (NTT) OCS2023-8 OPE2023-8 LQE2023-8 |
As digital coherent technologies have matured, a spectral efficiency achieved by the advanced modulation format of optic... [more] |
OCS2023-8 OPE2023-8 LQE2023-8 pp.32-35 |
OCS, CS (Joint) |
2023-01-13 16:00 |
Fukuoka |
CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
Precise Signal Demodulation in Dynamic Environments Using Partially Frozen MIMO Adaptive Equalizers Akira Kawai, Masanori Nakamura, Minami Takahashi, Takayuki Kobayashi, Yutaka Miyamoto (NTT) OCS2022-69 |
For over-1 Tb/s/λ-class transceivers, it is important to improve the ability to accurately compensate for IQ impairments... [more] |
OCS2022-69 pp.51-55 |
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 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2021-11-18 13:45 |
Online |
Online |
[Invited Talk]
High-capacity and Long-haul WDM Transmission using PPLN-based Optical Parametric Inline Amplifier Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Takeshi Umeki, Ryoichi Kasahara, Fukutaro Hamaoka, Yutaka Miyamoto (NTT) OCS2021-29 |
Expansion of the optical band used for wavelength division multiplexing (WDM) is a key to increasing the capacity of opt... [more] |
OCS2021-29 pp.5-8 |
OCS, OPE, LQE |
2021-11-12 16:05 |
Online |
Online |
[Special Invited Talk]
Ultra-high-speed Signal Generation and Detection Technologies for Long-Haul Transmission Systems over 1-Tbps/λ Net-Data Rate Masanori Nakamura (NTT) OCS2021-26 OPE2021-46 LQE2021-25 |
We discuss the theoretical and practical aspects of high symbol-rate signal optimization techniques for realizing a >1-T... [more] |
OCS2021-26 OPE2021-46 LQE2021-25 pp.24-27 |
PN |
2021-03-01 14:30 |
Online |
Online |
[Invited Lecture]
Wide-band WDM Inline-amplified Transmission by Optical Parametric Amplifier using PPLN Waveguides Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, RYoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto (NTT) PN2020-44 |
To increase the capacity of optical transmission systems, it is important to improve a spectral efficiency by utilizing ... [more] |
PN2020-44 pp.15-19 |
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 |
OPE, OCS, LQE |
2020-10-23 10:35 |
Online |
Online |
[Invited Talk]
Wide-band WDM Inline-amplified Transmission with PPLN-based Optical Parametric Amplifier Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, Ryoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto (NTT) OCS2020-11 OPE2020-34 LQE2020-14 |
In optical transmission systems, the extension of the optical-band used for wavelength division multiplexing is a promis... [more] |
OCS2020-11 OPE2020-34 LQE2020-14 pp.17-20 |
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, OPE, LQE |
2018-11-12 13:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg (Tokyo) |
[Invited Talk]
Report on ECOC2018
-- Core Transmission -- Masanori Nakamura, Takayuki Kobayashi (NTT) OCS2018-59 OPE2018-88 LQE2018-77 |
ECOC (European Conference on Optical Communication) 2018 was held in Italy and Rome from 2018/9/23 to 2018/9/27. This co... [more] |
OCS2018-59 OPE2018-88 LQE2018-77 pp.1-5 |
OCS, OPE, LQE |
2018-11-12 16:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg (Tokyo) |
[Special Invited Talk]
400-Gbps DMT Transmission Using >100-GHz Analog Multiplexer and InP Mach-Zehnder Modulator Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Yoshihiro Ogiso, Masanori Nakamura, Minoru Ida, Toshikazu Hashimoto, Hideyuki Nosaka, Yutaka Miyamoto (NTT) OCS2018-66 OPE2018-95 LQE2018-84 |
We review our latest experimental results presented at ECOC’18 post-deadline session. Using a >100-GHz analog multiplexe... [more] |
OCS2018-66 OPE2018-95 LQE2018-84 p.29 |
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 |
OCS, OPE |
2017-05-12 15:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg(Tokyo) |
[Special Invited Talk]
1-Pb/s Dense Space Division Multiplexing (DSDM) Transmission Technology Using 100Gbaud-class 16QAM Channels
-- Review of OFC2017 Postdeadline Paper Presentation -- Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Kohki Shibahara, Takayuki Mizuno, Akihide Sano, Hiroto Kawakami, Akira Isoda, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto (NTT), Yoshimichi Amma, Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa (Fujikura) OCS2017-7 OPE2017-7 |
This technical repot reviews the presentation of the OFC2017 Postdeadline.Paper Th5B.1. [more] |
OCS2017-7 OPE2017-7 pp.25-27 |
|