Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
OPE, LQE |
2020-11-20 15:30 |
Online |
Online |
Feasibility confirmation of high-security wireless communication using high-directivity THz Waves
-- Realization of AND operation by homodyne detection and heterodyne detection -- Yusuke Kawai, Kenta Yamauchi, Kazutoshi Kato (Kyushu Univ.) OPE2020-55 LQE2020-35 |
We have been inventing a new encrypted methods to improve physical-layer security of wireless communication. As one of c... [more] |
OPE2020-55 LQE2020-35 pp.53-57 |
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 |
MWP |
2019-11-27 14:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Flight Demonstration of Airborne Coherent Doppler Lidar Tomohiro Akiyama, Hamaki Inokuchi (JAXA) MWP2019-44 |
Air turbulence is the most significant cause of aviation accidents. As a way to reduce the number of such accidents, w... [more] |
MWP2019-44 pp.9-12 |
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 |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-12 14:15 |
Osaka |
I-Site Nanba(Osaka) |
A Narrowband Pilot-less Coherent Detection for FSK with Transmit Diversity Kanako Yamaguchi, Masatsugu Higashinaka, Sano Hiroyasu, Atsushi Okamura (Mitsubishi Electric Corp.), Takeo Ohgane, Toshihiko Nishimura (Hokkaido Univ.) RCS2019-144 |
We propose a narrowband pilot-less coherent detection for FSK(Frequency Shift Keying) with phase rotated transmit divers... [more] |
RCS2019-144 pp.211-216 |
LQE, OCS, OPE |
2019-05-13 16:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Special Invited Talk]
Phase-retrieving Coherent Detection by a High-speed Photodetector Array Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto (NICT) OCS2019-8 OPE2019-8 LQE2019-8 |
A novel coherent detection technique based on phase retrieval is introduced. A 2-D arrayed photodetector with a novel di... [more] |
OCS2019-8 OPE2019-8 LQE2019-8 pp.29-34 |
SANE, SAT (Joint) |
2019-02-14 12:55 |
Kagoshima |
Tanegashima Island |
Simultaneous measurement of Airborne coherent Doppler LIDAR observability and aerosol particle back scattering coefficient in the sky tomohiro Akiyama, Hiroshi Oikawa, Hamaki Inokuchi (JAXA) SANE2018-122 |
Coherent Doppler LIDAR (LIght Detection And Ranging) measures the wind speed by using a scattered light from aerosol par... [more] |
SANE2018-122 pp.65-70 |
PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] |
2019-01-17 16:20 |
Osaka |
Osaka University Nakanoshima Center |
[Invited Talk]
Reconstruction schemes for complex-modulated optical signals using direct detection Masayuki Matsumoto (Wakayama Univ.) PN2018-42 EMT2018-76 OPE2018-151 LQE2018-161 EST2018-89 MWP2018-60 |
A number of studies have been recently devoted to direct detection (DD) schemes for multivalued complex-modulated signal... [more] |
PN2018-42 EMT2018-76 OPE2018-151 LQE2018-161 EST2018-89 MWP2018-60 pp.59-63 |
OPE, LQE, OCS |
2018-10-19 13:30 |
Saga |
|
Performance evaluation of spectrally-synthesized coherent reception for constellation monitoring of pseudo random quadrature phase shift keying optical signals Naoki Urakawa, Koji Igarashi (Osaka Univ.) OCS2018-46 OPE2018-82 LQE2018-71 |
In our proposed spectrally-synthesized coherent reception for measuring constellation maps of periodical optical signals... [more] |
OCS2018-46 OPE2018-82 LQE2018-71 pp.99-104 |
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 |
SANE |
2018-10-12 11:45 |
Tokyo |
The University of Electro-Communications |
Evaluation of Range Estimation Accuracy by Wideband Coherent Processing for Sparse Frequency Bands Kazuhiro Watanabe, Manabu Akita, Takayuki Inaba (EUC) SANE2018-49 |
Ultra-wideband is becoming available in short range radar, and further higher resolution is expected by utilizing ultra-... [more] |
SANE2018-49 pp.29-34 |
CS, OCS (Joint) |
2018-01-30 08:50 |
Ehime |
Ehime University |
Feedback-control-free Adaptive Equalization Using Dual-polarization Pilot Tones for Optical Coherent Reception Tomoki Nishiyama, Shuai Yuan, Koji Igarashi (Osaka Univ.) OCS2017-73 |
We propose feedback-control-free adaptive equalization for optical coherent receivers. The polarization rotation and the... [more] |
OCS2017-73 pp.37-41 |
QIT (2nd) |
2017-11-16 13:50 |
Saitama |
Saitama University |
[Poster Presentation]
Coherent control of optical phonons in diamond using a pair of femtosecond pulses Yasuaki Okano (IMS), Hiroya Sasaki, Riho Tanaka, Fujio Minami, Yosuke Kayanuma (Tokyo Tech), Yutaka Shikano (UTokyo), Kazutaka G Nakamura (Tokyo Tech) |
We demonstrated coherent control of the 40-THz optical phonons in a single crystal diamond using a pair of 8-fs pulses a... [more] |
|
OFT, OCS, LSJ (Joint) [detail] |
2017-08-31 14:30 |
Hokkaido |
Hokkaido Univ. |
Measurement of Complex Amplitudes of Optical Signal Patterns in the Frequency Domain Naoki Urakawa, Koji Igarashi (Osaka Univ.) OCS2017-23 |
We propose a scheme for measuring complex amplitudes of optical signal patterns in the frequency domain. In the coherent... [more] |
OCS2017-23 pp.1-6 |
MWP, OPE, EMT, MW, EST, IEE-EMT [detail] |
2017-07-21 13:55 |
Hokkaido |
Obihiro Chamber of Commerce and Industry |
Frequency Response of Differential Mode O/E Conversion and Common Mode Rejection Ratio in Coherent Receivers Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.), Atsushi Kanno, Naokatsu Yamamoto (NICT) EMT2017-38 MW2017-63 OPE2017-43 EST2017-40 MWP2017-40 |
A typical coherent receiver consists of two 90-degree optical hybrid mixers, four sets of balanced photo-detectors (PDs)... [more] |
EMT2017-38 MW2017-63 OPE2017-43 EST2017-40 MWP2017-40 pp.183-188 |