| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IEICE-OFT, IEICE-OCS, IEE-CMN, BCT, IEICE-CQ
(Joint) [detail] |
2024-11-07
14:35 |
Kochi |
|
Performance comparison of carrier phase recovery using temporal pilot symbols and frequency tones in mode division multiplexed transmission systems
Mei Ogawa, Koji Igarashi (Osaka Univ.) |
[more] |
|
| IEICE-OCS, IEICE-OFT, IEE-CMN, BCT [detail] |
2023-11-09
16:20 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Suppressing Instability of Adaptive Equalization Due to Mode-dependent Loss in Mode-division-multiplexed Transmission Systems
Koji Igarashi (Osaka Univ.) |
[more] |
|
| BCT, IEICE-OCS, IEE-CMN, IEICE-OFT |
2022-11-11
14:15 |
Miyagi |
Forest-Sendai
(Primary: On-site, Secondary: Online) |
Time-resolve constellation monitor of quadrature amplitude optical signals using spectrally-slicing-and-synthesizing optical spectrum analyzer
Tsubasa Fujiwara, Koji Igarashi (Osaka Univ), Fumihiko Ito (Shimane Univ) |
(Advance abstract in Japanese is available) [more] |
|
| BCT, IEICE-OFT, IEICE-OCS, IEE-CMN [detail] |
2021-11-19
10:00 |
Online |
online |
Relationship between Polarization/Mode Dispersion and Impulse Response Spread in Coherent Transmission Systems
Eidai Sunamoto, Ryotaro Fukunaga, Koji Igarashi (Osaka Univ.) |
(Advance abstract in Japanese is available) [more] |
|
| BCT, IEICE-OFT, IEICE-OCS, IEE-CMN [detail] |
2021-11-19
13:00 |
Online |
online |
log likelihood ratio based on high accuracy distribution fitting for soft decision forward error correction in optical transmission systems with preamplified direct detection
Koji Igarashi, Takumi Takahashi (Osaka Univ.) |
(Advance abstract in Japanese is available) [more] |
|
| BCT, IEICE-OFT, IEICE-OCS, IEE-CMN [detail] |
2021-11-19
13:25 |
Online |
online |
Four-mode multiplexed real-time 16QAM transmission using high-accuracy frequency offset estimation algorithm
Shohei Beppu (KDDI Research, Inc.), Masahiro Kikuta (NEC Platforms, Ltd.), Koji Igarashi (Osaka University), Hiroshi Mukai, Masahiro Shigihara (NEC Platforms, Ltd.), Daiki Soma, Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) |
(Advance abstract in Japanese is available) [more] |
|
| BCT, IEICE-OFT, IEICE-OCS, IEE-CMN [detail] |
2020-11-12
14:35 |
Online |
Online |
Modeling of couplings between two degenerate linearly-polarized modes based on dual three-dimensional Stokes Space
Ryotaro Fukunaga, Koji Igarashi (Osaka Univ.) |
(Advance abstract in Japanese is available) [more] |
|
| BCT, IEICE-OCS, IEICE-OFT, IEE-CMN [detail] |
2019-11-21
15:30 |
Yamaguchi |
Kaikyo-Messe-Shimonoseki |
Performance evaluation of MIMO adaptive equalization with update delay in optical coherent reception
Koji Igarashi (Osaka Univ.) |
[more] |
|
| BCT, IEICE-OCS, IEICE-OFT, IEE-CMN [detail] |
2018-11-08
11:30 |
Okayama |
Kurashiki-City-Geibunnkan |
Statistical model for nonlinear fiber propagation and its application to nonlinear compensation for DP-16QAM optical signals
Shuai Yuan, Koji Igarashi (Osaka Univ.) |
[more] |
|
| BCT, IEICE-OCS, IEICE-OFT, IEE-CMN [detail] |
2018-11-09
15:20 |
Okayama |
Kurashiki-City-Geibunnkan |
Channel Compensation and Carrier Phase Recovery under Large System Limit for PMD
Seiji Tanaka, Noboru Osawa, Shinsuke Ibi, Koji Igarashi, Seiichi Sampei (Osaka Univ.) |
[more] |
|
| IEICE-OFT, IEICE-OCS, IEE-CMN, BCT [detail] |
2017-11-23
15:25 |
Osaka |
Kansa-Univ. Umeda Campus |
A Study on EXIT Chart Based Design of Low-Density Parity-Check Codes for Iterative Soft Beat Interference Canceller in Pilot-Assisted Optical-OFDM
Noboru Osawa, Shinsuke Ibi, Koji Igarashi, Seiichi Sampei (Osaka Univ.) |
This paper proposes a low density parity check (LDPC) code design based on extrinsic information transfer (EXIT) chart a... [more] |
|
| IEICE-OFT, IEICE-OCS, IEE-CMN, BCT [detail] |
2017-11-24
15:50 |
Osaka |
Kansa-Univ. Umeda Campus |
257-Tbit/s Partial MIMO-based 10-Mode C+L-band WDM Transmission
Daiki Soma, Shohei Beppu, Yuta Wakayama (KDDI Research, Inc.), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI Research, Inc.) |
Mode-division multiplexing (MDM) transmission technique using a few-mode fiber (FMF) has been investigated to overcome t... [more] |
|
BCT, IEICE-OFT, IEICE-OCS, IEE-CMN
(Joint) [detail] |
2016-11-11
09:55 |
Nagasaki |
CORE COMMUNICATION IN NAGASAKI |
Effective Area Measurement of Few-Mode Fiber using Far Field Scan Technique with Hankel Transform for Circularly-Asymmetric Mode
Tetsuya Hayashi, Yoshiaki Tamura, Takuji Nagashima, Kazuhiro Yonezawa, Toshiki Taru (Sumitomo Electric), Koji Igarashi, Daiki Soma, Yuta Wakayama, Takehiro Tsuritani (KDDI R&D Labs.) |
[more] |
|
BCT, IEICE-OFT, IEICE-OCS, IEE-CMN
(Joint) [detail] |
2016-11-11
11:10 |
Nagasaki |
CORE COMMUNICATION IN NAGASAKI |
Study on 114 SDM Transmission over 9.8-km 6-mode 19-core Fiber using DP-16QAM Signals
Daiki Soma, Yuta Wakayama, Shohei Beppu (KDDI R&D Labs.), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI R&D Labs.) |
[more] |
|
| BCT, IEICE-OFT, IEE-CMN, IEICE-OCS [detail] |
2015-11-12
14:55 |
Ehime |
Matsuyama Civic Center |
Investigation of Application of Turbo Code to Super-Nyquist Wavelength-Division-Multiplexed Systems
Shuai Yuan, Koji Igarashi (Osaka Univ.) |
(Advance abstract in Japanese is available) [more] |
|
| BCT, IEICE-OFT, IEE-CMN, IEICE-OCS [detail] |
2015-11-12
15:20 |
Ehime |
Matsuyama Civic Center |
Viterbi algorism containing phase locked loop for Trellis code modulated high-order QAM optical signals
Koji Igarashi (Osaka Univ.) |
(Advance abstract in Japanese is available) [more] |
|