Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, CS (Joint) |
2022-01-14 11:25 |
Yamaguchi |
Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
Application Study of Downlink Coherent Method and Uplink SIMO Reception in TWDM-PON System with Link Redundancy Tomoya Nakagawa (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) OCS2021-37 |
A 40 Gbit/s class time division multiple access passive optical network (TWDM-PON: Time and wavelength division multiple... [more] |
OCS2021-37 pp.22-27 |
ED, THz |
2021-12-20 13:00 |
Miyagi |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Recent Progress in Carrier Down-Conversion Devices Between Optical Communication and Beyond 5G Wireless Communication Akira Satou, Dai Nakajima, Kazuki Nishimura, Tomotaka Hosotani, Katsumi Iwatsuki, Tetsuya Suemitsu, Keisuke Kasai, Masato Yoshida, Taiichi Otsuji (Tohoku Univ.) ED2021-48 |
echnologies that seamlessly converges optical networks and wireless networks with small delay and low power consumption ... [more] |
ED2021-48 pp.1-5 |
MWP |
2021-11-26 16:10 |
Online |
Online |
[Invited Talk]
Field Demonstration of Eye-safe High Capacity FSO system with Multi-aperture Transmission and Digital Coherent Reception Keisuke Matsuda, Masashi Binkai, Shota Koshikawa, Tsuyoshi Yoshida, Hayato Sano, Yoshiaki Konishi, Naoki Suzuki (Mitsubishi Electric Corp.) MWP2021-34 |
We demonstrated a 9-aperture transmit and single aperture receive FSO system transmitting 35 wavelength division multipl... [more] |
MWP2021-34 pp.22-26 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2021-11-19 11:15 |
Online |
Online |
[Invited Talk]
Recent progress of coherent free-space optical communications Chao Zhang (Shimane Univ.), Kota Uyama, Zheyuan Zhang, Sze Yun Set, Shinji Yamashita (Univ. of Tokyo) OFT2021-54 |
Free-space optical communication is preferred for its advantages over radio frequency wireless communication, such as no... [more] |
OFT2021-54 pp.17-22 |
OFT |
2021-10-15 13:00 |
Online |
Online |
[Tutorial Invited Lecture]
Coherent optical communication technology and my research life Shiro Ryu (Meiji Univ.) OFT2021-48 |
Coherent optical communication technology was proposed at the end of the 1970s, and after about 30 years, it was put int... [more] |
OFT2021-48 pp.104-109 |
PN, NS, OCS (Joint) |
2021-06-25 15:25 |
Online |
Online |
Full-coupling or half-split switchable point-to-multipoint optical transmission system Tomoya Nakagawa, Tetsuji Goto (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) OCS2021-7 |
Recently, a point-to-multipoint network configuration with disaster resistance is required in the mobile front hall conn... [more] |
OCS2021-7 pp.29-34 |
PN, NS, OCS (Joint) |
2021-06-25 15:50 |
Online |
Online |
Study of the Effect on Soft-decision Decoding of the Coherent M-QAM using Multi-stage symbol Placement Retention Masking Keiji Shimada, Masahiro Misumi, Takahiro Kodama (Kagawa Univ.) OCS2021-8 |
In recent digital coherent optical communication systems, to keep data highly confidential, research is being conducted ... [more] |
OCS2021-8 pp.35-39 |
OPE, OCS, OFT (Joint) [detail] |
2021-02-19 09:25 |
Online |
Online |
The detection method of incoherent light using optical fiber Yuyuan Cheng, Naoto Kishi (UEC) OFT2020-62 OPE2020-83 |
In a visible light communication system, detection of diverged optical signal in space is required after confirming the ... [more] |
OFT2020-62 OPE2020-83 pp.30-33(OFT), pp.35-38(OPE) |
OCS, CS (Joint) |
2021-01-14 14:20 |
Online |
Online |
Study of the Effect of Single Near-end Reflection on Bidirectional Transmission of QPSK/OOK Asymmetrically Modulated Signals in the Same Bandwidth Tetsuji Goto, Takahiro Kodama, Masahiko Jinno (Kagawa Univ.) OCS2020-29 |
In recent years, PON systems for mobile front halls are required to have a larger capacity due to wireless terminal base... [more] |
OCS2020-29 pp.12-17 |
OFT, ITE-BCT, OCS, IEE-CMN [detail] |
2020-11-12 16:50 |
Online |
Online |
Multi-Channel Simultaneous Encryption in WDM Systems of PSK Y-00 Quantum Stream Cipher Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OCS2020-26 |
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] |
OCS2020-26 pp.15-20 |
OFT |
2020-10-09 09:15 |
Online |
Online |
Measurement of Spatial Distribution of Fiber Birefringence by Coherent Heterodyne Detection of Rayleigth Backscattered Light Nanako Takei, Shiro Ryu (Meiji Univ.) OFT2020-25 |
Since the coherent technology uses the phase information of light, it can be applied to various optical measurement tech... [more] |
OFT2020-25 pp.62-67 |
OFT |
2020-10-09 09:40 |
Online |
Online |
Theoretical Study of Fiber Brillouin Scattering Using FDTD Method Shiori Nozawa, Shiro Ryu (Meiji Univ.) OFT2020-26 |
Brillouin scattering is known as a nonlinear phenomenon that occurs in an optical fiber. So far, we have measured the a... [more] |
OFT2020-26 pp.68-73 |
OFT |
2020-10-09 13:25 |
Online |
Online |
[Invited Talk]
Digital Coherent PSK Y-00 Quantum Stream Cipher for Secure Optical Fiber Communications Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OFT2020-32 |
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] |
OFT2020-32 pp.97-102 |
R, LQE, OPE, CPM, EMD |
2020-08-28 13:55 |
Online |
Online |
[Invited Talk]
InP-based Waveguide Photodetectors for IMDD/Coherent Transmission Applications Yoshihiro Yoneda, Takuya Okimoto (SEI), Ken Ashizawa, Koji Ebihara, Satoru Okamoto, Kazuhiko Horino (SEDI), Hideki Yagi, Mitsuru Ekawa (SEI) R2020-13 EMD2020-12 CPM2020-5 OPE2020-25 LQE2020-5 |
Optical receivers for 400 Gb/s and beyond optical communication systems have been required modulation speeds higher than... [more] |
R2020-13 EMD2020-12 CPM2020-5 OPE2020-25 LQE2020-5 pp.21-24 |
OCS, LQE, OPE |
2019-10-18 10:20 |
Kagoshima |
|
Intelligent Monitoring of Optical Fiber Transmission Using Sparse Coding Takayuki Nakachi, Yitu Wang, Tetsuro Inui, Takafumi Tanaka, Takahiro Yamaguchi, Katsuhiro Shimano (NTT) OCS2019-42 OPE2019-80 LQE2019-58 |
This paper proposes a sparse coding-based intelligent constellation diagram analyzer for optical fiber communications. I... [more] |
OCS2019-42 OPE2019-80 LQE2019-58 pp.77-82 |
OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 11:00 |
Hokkaido |
|
Study of Optical Phase Characteristics of Stokes and Transmitted Light in Fiber Brillouin Scattering Shiori Nozawa, Ryu Shiro (Meiji Univ.) OFT2019-28 |
Spontaneous and stimulated Brillouin scattering is a nonlinear phenomenon in optical fibers, and it is known that the st... [more] |
OFT2019-28 pp.23-28 |
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 |
2019-08-22 13:30 |
Miyagi |
|
[Invited Talk]
Progress of InP-based Monolithically Integrated Photonic Devices and Future Prospect Towards Beyond Tbps Era Hideki Yagi (SEI) R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25 |
InP-based photonic devices have yielded the monolithic integration of
various functionalities in addition to miniaturi... [more] |
R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25 pp.5-9 |
LQE, OPE, SIPH |
2018-12-07 10:30 |
Tokyo |
Keio University |
[Invited Talk]
Widely Tunable Lasers based on DFB array at FURUKAWA Akihiko Kasukawa, Tatsuro Kurobe, Toshikazu Mukaihara (Furukawa Electric) OPE2018-131 LQE2018-141 SIPH2018-47 |
Widely tunable lasers (T-LD) had been developed for WDM CW light source during IT bubble since the system makers had to ... [more] |
OPE2018-131 LQE2018-141 SIPH2018-47 pp.171-176 |
OPE, LQE, OCS |
2018-10-19 13:55 |
Saga |
|
Channel Capacity in Quantum-Noise-Limited Optical Communication Systems Kazuro Kikuchi (NIAD-QE) OCS2018-47 OPE2018-83 LQE2018-72 |
In this paper, we analyze the bit-error rate (BER) and mutual information characteristics of intensity modulation/direct... [more] |
OCS2018-47 OPE2018-83 LQE2018-72 pp.105-110 |