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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| LQE, OPE, OCS | 2023-11-24 16:05 |
Online | Online | [Special Invited Talk]
O+S+C+L+U-Band Digital Coherent DWDM Transmission Using a Deployed Optical Cable Daiki Soma (KDDI Research), Tomoyuki Kato (Fujitsu), Shohei Beppu, Daniel J. Elson (KDDI Research), Hidenobu Muranaka, Hiroyuki Irie, Shun Okada, Yu Tanaka (Fujitsu), Yuta Wakayama, Noboru Yoshikane (KDDI Research), Takeshi Hoshida (Fujitsu), Takehiro Tsuritani (KDDI Research)  OCS2023-54 OPE2023-104 LQE2023-51 |
We demonstrate an O+S+C+L+U-band digital coherent DWDM transmission system as an upgrade scenario from a C+L-band system... [more] | OCS2023-54 OPE2023-104 LQE2023-51 pp.25-29 |
| 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) |
2023-06-09 14:40 |
Kagawa | (Primary: On-site, Secondary: Online) |
RNN-based Demodulation Framework for Mitigating Spectrum Narrowing Ryuta Shiraki (Kyoto Univ.), Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2023-15 |
The use of ultra-dense WDM systems is expected to offer higher spectral efficiency. However, such systems are hindered b... [more] | PN2023-15 pp.65-71 |
| PN | 2023-04-28 13:05 |
Kanagawa | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Ultra-Wideband WDM transmission based on distributed Raman Amplification Akihide Sano (Ritsumeikan Univ.) PN2023-1 |
UWB-WDM transmission is very promising in order to extend the total capacity of long-haul optical communication systems.... [more] | PN2023-1 pp.1-5 |
| PN | 2023-03-02 16:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
Modeling stimulated raman scattering in multiband WDM optical transport Yurie Matsuyama, Yuta Suzuki, Kenji Morimoto, Morihiko Ota, Takefumi Oguma (NEC) PN2022-69 |
Optical transport systems have expanded the capacity of telecommunications networks using Wavelength Division Multiplexi... [more] | PN2022-69 pp.147-150 |
| CS | 2022-10-28 10:55 |
Hiroshima | Hiroshima City University Satellite campus (Primary: On-site, Secondary: Online) |
A Resource Allocation Method for TWDM-PON providing QoS and Reduction of Power Consumption Yoshihiro Nakahira, Masayuki Kashima, Masahiro Sarashina (OKI) CS2022-47 |
On a TWDM-PON, a method has been proposed to reduce power consumption; in which wavelengths of ONUs are dynamically allo... [more] | CS2022-47 pp.21-26 |
| OPE, LQE, OCS | 2022-05-13 16:30 |
Online | Online | [Special Invited Talk]
Crosstalk-Free 32-ch DWDM Demultiplexer on Standard Si PIC Platform Tomoyuki Akiyama (Fujitsu) OCS2022-8 OPE2022-8 LQE2022-8 |
In a postdeadline session of OFC ’22, we have reported first crosstalk-free 32-ch WDM demultiplexer on standard Si PIC p... [more] | OCS2022-8 OPE2022-8 LQE2022-8 pp.30-33 |
| PN | 2022-03-01 13:30 |
Online | Online | High-Accuracy Optical Frequency Transfer Technology over WDM Networks Kaoru Arai, Hiroki Sakuma, Ryuta Sugiyama, Takashi Miyamura (NTT) PN2021-59 |
Optical clocks have been developed as a next-generation high-accuracy frequency oscillation source, and high-accuracy fr... [more] | PN2021-59 pp.37-41 |
| OCS, CS (Joint) |
2022-01-14 13:35 |
Yamaguchi | Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
>100-Tb/s Capacity Wideband WDM Optical Transmission Technologie Fukutaro Hamaoka (NTT) OCS2021-38 |
This paper reviews trends in wideband WDM optical transmission technology for increasing the capacity of optical transmi... [more] | OCS2021-38 pp.28-31 |
| CS, IN, NS, NV (Joint) |
2020-09-11 11:40 |
Online | Online | Additional resource request from an ONUs to the accommodating TWDM-PON system with high speed wavelength switching Yoshihiro Nakahira, Masahiro Sarashina, Saito Hiroyuki, Shozo Yamada, Satoshi Furusawa, Masayuki Kashima, Hironori Sasaki (OKI) NS2020-45 |
During wavelength switching time, it is not possible to send traffic. Therefore some TWDM-PON systems have queues to sto... [more] | NS2020-45 pp.21-26 |
| CS | 2020-07-16 15:40 |
Hokkaido | Ripura(Rishiri Fuji) (Primary: On-site, Secondary: Online) |
A Study on Optical Access Systems for 6G Radio Access Networks Rintaro Harada, Hirotaka Ujikawa, Naotaka Shibata, Shin Kaneko, Jun Terada (NTT) CS2020-17 |
Some studies of radio access networks (RANs) toward the 6th mobile system (6G) that will support society in 2030s have b... [more] | CS2020-17 pp.13-16 |
| CS, OCS (Joint) |
2020-01-16 13:55 |
Oita | Beppu Housensou Hotel (Oita Pref.) | [Invited Lecture]
Demonstration of Remote Management and Control in WDM-PON System for 5G Mobile Fronthaul Kyosuke Sone, Goji Nakagawa, Yoshio Hirose, Takeshi Hoshida (Fujitsu) CS2019-89 OCS2019-71 |
We develop an evaluation platform of remote management and control for WDM-PON system in 5G mobile fronthaul and success... [more] | CS2019-89 OCS2019-71 pp.5-10(CS), pp.35-40(OCS) |
| CS, OCS (Joint) |
2020-01-16 14:45 |
Oita | Beppu Housensou Hotel (Oita Pref.) | [Invited Lecture]
Next Generation C-RAN Mobile Fronthaul Using On-line Bi-directional 256 QAM WDM Coherent Transmission Takashi Kan, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Katsumi Iwatsuki, Masataka Nakazawa (Tohoku Univ.) OCS2019-73 |
We have recently proposed a simple digital coherent transmission system with an injection locking technique for next gen... [more] | OCS2019-73 pp.47-52 |
| OCS, ITE-BCT, OFT, IEE-CMN [detail] | 2019-11-22 09:30 |
Yamaguchi | Kaikyo-Messe-Shimonoseki | Chromatic dispersion dependence of nonlinear signal degradation in guard bandless Nyquist OTDM-WDM Koki Ono, Yuji Miyoshi, Hirokazu Kubota (Osaka Prefecture Univ.) OFT2019-39 |
With the recent increase in Internet traffic, large-capacity transmission is required. Therefore, we are studying the Ny... [more] | OFT2019-39 pp.19-22 |
| NS, IN, CS, NV (Joint) |
2019-09-05 13:55 |
Miyagi | Research Institute of Electrical Communication, Tohoku Univ. | [Invited Lecture]
Power saving and latency on the TWDM-PON with high speed wavelength switching Yoshihiro Nakahira, Saito Hiroyuki, Masahiro Sarashina, Masayuki Kashima (OKI), Takeshi Suehiro, Kenichi Nakura, Seiji Kozaki (Mitubishi), Shu Yamamoto, Akihiro Nakao (Unv. of Tokyo) CS2019-52 |
Recently, novel access network systems are proposed and discussed in which network resources and their functions are vir... [more] | CS2019-52 pp.27-32 |
| NS, IN, CS, NV (Joint) |
2019-09-06 15:20 |
Miyagi | Research Institute of Electrical Communication, Tohoku Univ. | A study on functional splitting optimization of fronthaul network based on TWDM-PON Go Hasegawa (Tohoku Univ.), Masayuki Murata (Osaka Univ.), Yoshihiro Nakahira, Masayuki Kashima (OKI), Shingo Ata (Osaka City Univ.) NS2019-95 |
In this report, the mathematical model for power consumption of 5G fronthaul network with functional splitting of baseba... [more] | NS2019-95 pp.35-40 |
| PN | 2019-08-26 13:10 |
Hokkaido | Kanpo-No-Yado Otaru | [Invited Talk]
Research and Development of Beyond 400 Gbit/s Optical Trasnsmission Systems Hideki Maeda (NTT NS Lab.) PN2019-15 |
NTT was the first in the world to develop new technologies, promoted research and development of economical and reliable... [more] | PN2019-15 pp.31-36 |
| LQE, OPE, CPM, EMD, R | 2019-08-23 09:10 |
Miyagi | [Invited Talk]
Grid Free WDM System Using External Cavity Multi-Wavelength Laser Kei Masuyama, Mizuki Shirao, Nobuo Ohata (Mitsubishi Electric Corp.), Nobuhiko Nishiyama (Tokyo Tech), Kiyotomo Hasegawa (Mitsubishi Electric Corp.) R2019-27 EMD2019-25 CPM2019-26 OPE2019-54 LQE2019-32 |
Higher and large-capacity optical communication equipment is required in the data center due to data traffic concentrati... [more] | R2019-27 EMD2019-25 CPM2019-26 OPE2019-54 LQE2019-32 pp.39-42 |
|
| OCS, PN, NS (Joint) |
2019-06-21 16:00 |
Iwate | MALIOS（Morioka） | 50.4 Tbit/s, L-band 480 ch-WDM, 128 QAM-160 km digital coherent optical transmission using an injection-locked homodyne receiver Takashi Kan, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2019-19 |
Injection locking method enables us to realize precise optical carrier-phase synchronization between transmitted data an... [more] | OCS2019-19 pp.47-50 |
| PN | 2019-03-14 15:50 |
Okinawa | Miyako Island Hirara Port Terminal Bldg. | [Invited Talk]
NTT Communications Challenges on Optical Network Keitaro Saito (NTT Com) PN2018-87 |
Internet traffic has increased by 20 to 30% per year. Then the network cost will increase more and more. On the other h... [more] |
PN2018-87 pp.27-32 |
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