Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
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 |
LQE |
2018-07-12 15:15 |
Hokkaido |
|
[Invited Talk]
What will be a compelling technology for beyond-400 G systems; Devices vs. Packaging
-- Laser chips used in Intra- and inter- Data Centers -- Toshimitsu Kaneko (SUMITOMO ELECTRIC) LQE2018-25 |
400G is now a hot topic in high speed optical fiber communications behind increasing data traffic especially around Data... [more] |
LQE2018-25 pp.21-24 |