Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
NS, PN, OCS (Joint) |
2024-06-06 09:00 |
Nagasaki |
(Primary: On-site, Secondary: Online) |
Analysis of QAM signal's quality distorted by spectral narrowing due to WSSs Takashi Inoue, Ryosuke Matsumoto, Kiyo Ishii (AIST) |
[more] |
|
PN |
2024-03-14 11:10 |
Kagoshima |
(Primary: On-site, Secondary: Online) |
100 GBaud Superchannel Transmission Experiment in CTR Mode Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2023-69 |
We evaluated encryption penalty associated with symbolic block cipher applied CTR mode for 100 GBaud QAM signal by simul... [more] |
PN2023-69 pp.1-5 |
PN |
2024-03-15 09:00 |
Kagoshima |
(Primary: On-site, Secondary: Online) |
Research on QAM symbol block cipher using space-time digital key transformation Reika Suketomo, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2023-76 |
We have shown by simulation that a spatial-temporal spreading key encryption with spatial digital key transformation(DKX... [more] |
PN2023-76 pp.37-41 |
ED, MWPTHz |
2023-12-21 17:35 |
Miyagi |
RIEC, Tohoku Univ. (Primary: On-site, Secondary: Online) |
Characterization of high-speed wavelength switching of wavelength tunable laser and its applicability to optical switches Ryo Matsumoto, Naoto Masutomi, Ryota Kaide, Yuya Mikami (Kyushu Univ.), Yuta Ueda (NTT), Kazutoshi Kato (Kyushu Univ.) ED2023-58 MWPTHz2023-68 |
With the rapid increase in communication traffic in recent years, high-speed optical switches are required for optical c... [more] |
ED2023-58 MWPTHz2023-68 pp.25-28 |
QIT (2nd) |
2023-12-19 09:30 |
Okinawa |
OIST (Primary: On-site, Secondary: Online) |
Evaluation of Photon Number Distribution for Security Ensuring of Quantum Key Distribution Ryoji Matsumoto, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
In QKD using WCP sources, PNS attack exploiting multiphoton pulses affects security of the system. Decoy method can be u... [more] |
|
PN |
2023-08-29 10:30 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Polarization and IQ multiplexing 4ASK downlink transmission experiment of P-to-MP system using phase shift symbol preserved encryption Yuika Mori, Reika Suketomo, Hodaka Amano, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2023-17 |
We have already reported downlink transmission using adaptive IQ imbalanced 4ASK signal for groups of ONUs with differen... [more] |
PN2023-17 pp.6-10 |
CS, CQ (Joint) |
2023-05-19 16:05 |
Kagawa |
Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
Demonstration of IQ channel multiplexing coherent polarization multiplexing 4ASK signal in downlink transmission with distance difference in access span Keiji Shimada, Mizuki Inagaki (Kagawa Univ), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ) CS2023-16 |
In the coherent PON system, the transmission distance from each optical network unit to the optical line terminal is dif... [more] |
CS2023-16 pp.47-50 |
ITE-BCT, OCS, IEE-CMN, OFT |
2022-11-11 13:00 |
Miyagi |
Forest-Sendai (Primary: On-site, Secondary: Online) |
Learning-based digital back propagation considering cross-phase modulation in wavelength-division multiplexed transmission systems Takashi Inoue, Ryosuke Matsumoto, Shu Namiki (AIST) OCS2022-44 |
We propose a scheme to compensate waveform distortion of optical signals due to fiber nonlinearity in wavelength-divisio... [more] |
OCS2022-44 pp.24-29 |
PN |
2022-08-30 10:50 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Experimental of Symbol-rate-adaptive Multi-band Coherent Transceiver Momoka Masaoka, Takahiro Kodama, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto, Takashi Inoue, Shu Namiki (AIST), Masahiko Jinno (Kagawa Univ.) PN2022-18 |
[more] |
PN2022-18 pp.54-59 |
EMD, R, LQE, OPE, CPM |
2022-08-26 15:10 |
Chiba |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Recent Advances in Large-Scale Silicon Photonics Switches for Polarization-Insensitive and Broadband Operations Keijiro Suzuki, Ryotaro Konoike, Hiroyuki Matsuura, Ryosuke Matsumoto, Takashi Inoue, Shu Namiki, Hitoshi Kawashima, Kazuhiro Ikeda (AIST) R2022-29 EMD2022-17 CPM2022-34 OPE2022-60 LQE2022-23 |
In this report, we describe our results on strictly-non-blocking multi-port switches using silicon photonics. We reporte... [more] |
R2022-29 EMD2022-17 CPM2022-34 OPE2022-60 LQE2022-23 pp.66-69 |
OCS, CS (Joint) |
2022-01-14 13:05 |
Yamaguchi |
Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
Silicon Photonic Switch and Digitalization of the Optical Layer
-- Challenges Toward the Photonic Platform -- Shu Namiki, Ryosuke Matsumoto, Takashi Inoue, Kiyo Ishii (AIST) CS2021-73 |
This talk will review the recent advances on the research of silicon photonics based optical switching mainly at AIST, t... [more] |
CS2021-73 pp.30-42 |
OCS, OPE, LQE |
2021-10-22 16:05 |
Online |
Online |
[Special Invited Talk]
Multistage operation of fully-loaded 32 × 32 Silicon Photonics Switch Ryosuke Matsumoto, Ryotaro Konoike, Keijiro Suzuki, Hiroyuki Matsuura, Kazuhiro Ikeda, Takashi Inoue, Shu Namiki (AIST) OCS2021-17 OPE2021-37 LQE2021-16 |
Thermo-optic silicon photonics switch offers significantly better energy efficiency and bandwidth with a fast switching ... [more] |
OCS2021-17 OPE2021-37 LQE2021-16 pp.23-26 |
PN |
2021-08-30 13:00 |
Online |
Online |
[Invited Talk]
Large-scale and fast optical circuit switch for intra data centers Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki (AIST), Yojiro Mori (Nagoya Univ.), Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato (AIST) PN2021-15 |
Current intra-data center networks face the bandwidth crunch and power consumption limitation of electrical switches. On... [more] |
PN2021-15 pp.21-27 |
PN |
2021-08-31 14:50 |
Online |
Online |
Evaluation of power adaptive IQ multiplexed 16QAM method for downlink transmission of coherent PON system Mizuki Inagaki (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2021-24 |
In the downlink transmission of a coherent PON system using QAM modulation, when IQ multiplexing, which allocates I-axis... [more] |
PN2021-24 pp.69-73 |
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 |
EMCJ, IEE-EMC, IEE-SPC |
2020-12-11 13:00 |
Online |
Online |
A Study on Absorbed Power Density Assessment Using Equivalent Current Reconstruction for Exposure to Electromagnetic Waves in Sub-Millimeter and Millimeter Wave Bands Ryo Matsumoto (Aoyama Gakuin Univ./NICT), Shuntaro Omi, Kensuke Sasaki, Kanako Wake (NICT), Ryosuke Suga, Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2020-59 |
Recently, practical use of wireless communication technologies using quasi-millimeter wave and millimeter wave bands, su... [more] |
EMCJ2020-59 pp.21-24 |
OFT, ITE-BCT, OCS, IEE-CMN [detail] |
2020-11-12 16:00 |
Online |
Online |
Scalable and Fast Optical Circuit Switch based on Colorless Coherent Detection and Silicon-Photonic Tunable-Filter-based Local Oscillator
-- Design Principle and Experimental Demonstration -- Ryosuke Matsumoto, Takashi Inoue, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki (AIST), Mori Yojiro (Nagoya Univ.), Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato (AIST) OCS2020-24 |
(Advance abstract in Japanese is available) [more] |
OCS2020-24 pp.5-10 |
NLP |
2016-05-27 10:15 |
Kochi |
Kochi Univ. |
Implementation of parallel particle swarm optimizers on PC cluster Hidehiro Nakano, Ryosuke Matsumoto, Tomoyuki Sasaki, Arata Miyauchi (Tokyo City Univ.) NLP2016-13 |
This paper proposes an implementation method of the particle swarm optimizer (PSO) to PC cluster. In PSO, many particles... [more] |
NLP2016-13 pp.63-66 |
PN |
2016-03-08 13:50 |
Okinawa |
Okinawaken Seinenkaikan |
Cascaded SSFBG Encoder/Decoder for 10G-WDM-OCDMA system Ryosuke Tamada, Ryosuke Matsumoto (Osaka Univ.), Hiroki Ishihara, Koji Omichi (Fujikura), Ken-ichi Kitayama (Osaka Univ.) PN2015-119 |
WDM-OCDMA using multiple wavelengths and optical codes can increase the number of subscribers. Superstructured Fiber Bra... [more] |
PN2015-119 pp.91-97 |
NLP |
2014-11-07 11:25 |
Niigata |
TsubameSanjo Regional Industries Promotion Center |
Semiconcave Backstepping Method for Semiconcave Control Lyapunov Function Design Yasuyuki Satoh, Ryo Matsumoto, Hisakazu Nakamura (TUS) NLP2014-94 |
In this paper, we propose the semiconcave backstepping method for
semiconcave control Lyapunov function design.
The ... [more] |
NLP2014-94 pp.73-77 |