Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
PN |
2024-03-15 09:20 |
Kagoshima |
(Primary: On-site, Secondary: Online) |
Study on Symbol-block AES Cryptography for Digital Coherent Communication Hodaka Amano, Takahiro Kodama (Kagawa Univ.) PN2023-77 |
We applied symbol block AES encryption, which inherits the four functions that form the basic structure of the advanced ... [more] |
PN2023-77 pp.42-47 |
PN |
2024-03-15 16:10 |
Kagoshima |
(Primary: On-site, Secondary: Online) |
A Study of Coherent Downstream Transmission of Adaptive Polarization and IQ Multiplexed Signals with Asymmetric Number of Signal Points and Amplitude Yuika Mori, Keiji Shimada, Takahiro Kodama (Kagawa Univ.) PN2023-92 |
We have already reported downlink transmission using IQ multiplexed 4ASK signals with power loading for the difference i... [more] |
PN2023-92 pp.127-130 |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-10 13:50 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Estimation and localization of anomaly PDL in optical fiber link using longitudinal power profile estimation in coherent receiver Minami Takahashi, Takeo Sasai, Etsushi Yamazaki, Yoshiaki Kisaka (NTT) OCS2023-47 |
We experimentally demonstrate fiber-longitudinal monitoring that visualizes polarization-wise signal power profiles. The... [more] |
OCS2023-47 pp.20-23 |
OCS, LQE, OPE |
2023-10-19 13:25 |
Kochi |
(Primary: On-site, Secondary: Online) |
Temperature Synchronization for Quasi-Actual Operation of One-Chip Wavelength Locker and Laser Chip Junichi Suzuki, Kiyotomo Hasegawa, Kei Masuyama, Nobuo Ohata (Mitsubishi) OCS2023-30 OPE2023-85 LQE2023-32 |
In this paper, we calculated wavelength locker chip outputs in our proposed condition and demonstrated the operation in ... [more] |
OCS2023-30 OPE2023-85 LQE2023-32 pp.20-23 |
OCS, LQE, OPE |
2023-10-19 16:15 |
Kochi |
(Primary: On-site, Secondary: Online) |
AES Algorithm Modified Symbol Block Ciphering Hodaka Amano, Takahiro Kodama (Kagawa Univ.) OCS2023-36 OPE2023-91 LQE2023-38 |
We propose a new variant of the AES algorithm, named the AES symbol block cipher, designed for M-ary quadrature amplitud... [more] |
OCS2023-36 OPE2023-91 LQE2023-38 pp.47-52 |
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 |
PN |
2023-08-30 10:50 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Interaction between Laser Phase Noise and Chromatic Dispersion in Subcarrier-Multiplexed Systems Kazato Satake, Yojiro Mori (Nagoya Univ.), Ryuta Shiraki (Kyoto Univ.), Hiroshi Hasegawa (Nagoya Univ.) PN2023-33 |
In order to cope with rapidly increasing communication traffic, spectral efficiency needs to be improved by means of ult... [more] |
PN2023-33 pp.88-91 |
LQE, OPE, CPM, EMD, R |
2023-08-24 14:40 |
Miyagi |
Tohoku university (Primary: On-site, Secondary: Online) |
[Invited Talk]
Silicon photonics COSA Yuriko Kawamura (NTT) R2023-22 EMD2023-17 CPM2023-27 OPE2023-66 LQE2023-13 |
We present a silicon photonics COSA(coherent optical sub-assembly). The architecture of the silicon photonics chip and t... [more] |
R2023-22 EMD2023-17 CPM2023-27 OPE2023-66 LQE2023-13 pp.34-37 |
PN, NS, OCS (Joint) |
2023-06-08 15:25 |
Kagawa |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Multi-Terabit Optical Transmission with Ultra High Symbol Rate Signal Generation and Detection Technologies Masanori Nakamura (NTT) NS2023-26 OCS2023-12 PN2023-8 |
With the rapid increase of network traffic, expansion of transmission capacity per wavelength of a digital coherent opti... [more] |
NS2023-26 OCS2023-12 PN2023-8 pp.35-40(NS), pp.16-21(OCS), pp.16-21(PN) |
PN, NS, OCS (Joint) |
2023-06-09 10:15 |
Kagawa |
(Primary: On-site, Secondary: Online) |
Demonstration of Optical Network Tomography with Software Prototype
-- Anomaly Loss Monitoring and Fiber-Type Identification -- Ryu Shinzaki, Motohiko Eto, Kazuyuki Tajima, Kyosuke Sone, Setsuo Yoshida, Shoichiro Oda (Fujitsu), Inwoong Kim, Olga Vassilieva, Paparao Palacharla (FNC), Takeshi Hoshida (Fujitsu) OCS2023-18 |
As a monitoring technology for maintenance and operation efficiency improvement of the optical network system, we have i... [more] |
OCS2023-18 pp.57-62 |
OCS, LQE, OPE |
2023-05-26 16:30 |
Online |
Online |
[Special Invited Talk]
14.1-THz Wide-band WDM Transmission using PPLN-based Optical Parametric Inline Amplifier Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto (NTT) OCS2023-8 OPE2023-8 LQE2023-8 |
As digital coherent technologies have matured, a spectral efficiency achieved by the advanced modulation format of optic... [more] |
OCS2023-8 OPE2023-8 LQE2023-8 pp.32-35 |
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 |
PN |
2023-03-01 17:00 |
Okinawa |
(Primary: On-site, Secondary: Online) |
[Invited Lecture]
Demonstration of Optical Switch Networks Using Digital Coherent Receivers Designed for Short-haul Transmission Systems Takumi Mitsuya, Takuama Kuno, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.), Ken-ichi Sato (AIST) PN2022-50 |
To process a large amount of network traffic within a datacenter, optical circuit switches are expected to be deployed. ... [more] |
PN2022-50 pp.43-46 |
PN |
2023-03-02 13:40 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Study of Constellation-Preserving Simple Symbol Encryption Using a Time-Spread Encryption Key Hodaka Amano, Keiji Shimada, Takahiro Kodama (Kagawa Univ.) PN2022-62 |
We study a constellation-preserving symbol encryption M-QAM scheme in which the symbol arrangement containing data is re... [more] |
PN2022-62 pp.106-111 |
OCS, OFT, OPE (Joint) [detail] |
2023-02-17 11:05 |
Okinawa |
kukuru-itomancity (Primary: On-site, Secondary: Online) |
Designing Operation Parameters Using Deep Unfolding for MIMO Adaptive Equalization in Optical Coherent Transmission Systems Eidai Sunamoto, Koji Igarashi (Osaka Univ.) OCS2022-81 OPE2022-110 |
In the coherent optical transmission systems, adaptive control is required to suppress and compensate for laser phase no... [more] |
OCS2022-81 OPE2022-110 pp.56-61(OCS), pp.81-86(OPE) |
OCS, CS (Joint) |
2023-01-12 13:25 |
Fukuoka |
CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
[Invited Talk]
Digital Coherent Technology for Short-Range Optical Communications Toward Beyond 400G Hiroshi Miura, Junichi Suzuki, Nobuo Ohata, Keita Mochizuki, Naoki Suzuki (Mitsubishi Electric) OCS2022-60 |
Digital coherent transmission technology is expected to expand its application to short-haul optical communication appli... [more] |
OCS2022-60 pp.2-5 |
OCS, CS (Joint) |
2023-01-13 15:10 |
Fukuoka |
CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
An eavesdropping model for constellation-preserving simple symbol encryption and its evaluation Keiji Shimada, Takahiro Kodama (Kagawa Univ.) OCS2022-67 |
We have proposed constellation-preserving simple symbol encryption that keeps the arrangement of symbol points containin... [more] |
OCS2022-67 pp.39-44 |
OPE, OCS, LQE |
2022-10-21 12:30 |
Ehime |
(Primary: On-site, Secondary: Online) |
Basic Investigation of Si Photonics-Based Compact Wavelength Locker Chip Junichi Suzuki, Kiyotomo Hasegawa, Kei Masuyama, Nobuo Ohata, Hiroshi Aruga (Mitsubishi Electric) OCS2022-32 OPE2022-78 LQE2022-41 |
In this paper, we propose a compact Si photonics-based wavelength locker as well as a wavelength monitoring method for t... [more] |
OCS2022-32 OPE2022-78 LQE2022-41 pp.82-85 |
NS |
2022-10-06 09:40 |
Hokkaido |
Hokkaidou University + Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Low Computation-Complexity Digital Coherent Receivers for Short-Reach Optical Fiber Communication Systems Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) NS2022-90 |
To process increasing intra-datacenter traffic cost-effectively, it is urgent to expand the capacity of short-reach opti... [more] |
NS2022-90 pp.60-63 |