Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 15:50 |
Kagoshima |
(Primary: On-site, Secondary: Online) |
Iterative complex-field reconstruction of optical signals using time-domain ptychography Masataka Kinugawa, Masayuki Matsumoto (Wakayama Univ.) PN2023-91 |
A number of studies have been devoted to retrieval of optical phase information by direct-detection receivers. Such dete... [more] |
PN2023-91 pp.121-126 |
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 |
LQE, OPE, OCS |
2023-11-24 16:30 |
Online |
Online |
[Special Invited Talk]
Demonstration of 4-core Dual-polarization Optical Hybrid Using Dielectric Metasurface Kento Komtsu, Go Soma (Univ. of Tokyo), Shota Ishimura, Hidenori Takahashi, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research), Yoshiaki Nakano, Takuo Tanemura (Univ. of Tokyo) OCS2023-55 OPE2023-105 LQE2023-52 |
This technical report reviews the presentation of the ECOC2023 postdeadline paper Th.C.1.3. Spatially scalable metasurfa... [more] |
OCS2023-55 OPE2023-105 LQE2023-52 pp.30-33 |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-10 13:00 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Suppression of signal quality degradation due to nonlinear optical effects using optical correlation receivers or FIR filters Koki Takashima, Hirokazu Kubota, Yuji Miyoshi (Osaka Metropolitan Univ.) OCS2023-45 |
Inter-symbol interference occurs in optical signal transmission in optical fibers due to the compound effect of waveleng... [more] |
OCS2023-45 pp.12-15 |
PN |
2023-08-29 10:05 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Optical fiber long-distance multi-repeater transmission experiment of phase-shifted symbol-preserving encrypted polarization-multiplexed QAM signals Reika Suketomo, Yuika Mori, Hodaka Amano, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2023-16 |
We have demonstrated that phase-shifted symbol-preserving encryption does not cause excessive degradation in 7 ch WDM 32... [more] |
PN2023-16 pp.1-5 |
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) |
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 |
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 |
RCS, SR, SRW (Joint) |
2023-03-01 17:05 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Proposal of Reference Signal on the Grassmann Manifold Naoki Endo (Yokohama National Univ.), Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky (ERJ), Naoki Ishikawa (Yokohama National Univ.) RCS2022-267 |
In the 5G NR standard, a training method using demodulation reference signals (DM-RS) is adopted for channel estimation,... [more] |
RCS2022-267 pp.118-123 |
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) |
PN |
2022-11-08 11:00 |
Kochi |
(Primary: On-site, Secondary: Online) |
Modulation and Demodulation Method for Short-Haul Coherent Optical Fiber Communication Systems Reiji Higuchi, Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2022-28 |
To cope with the increase of communication traffic, we need to expand the communication capacity of short-haul optical f... [more] |
PN2022-28 pp.39-43 |
PN |
2022-03-01 13:50 |
Online |
Online |
Multifunctional and High-Performance Digital Coherent Receivers Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2021-60 |
To process steeply increasing internet traffic cost-effectively, it is urgent to increase the capacity of optical fiber ... [more] |
PN2021-60 pp.42-46 |
PN |
2022-03-02 09:50 |
Online |
Online |
Initial study of pseudo-phase noise-based symbol masked polarization-multiplexed M-QAM signal using a time-spreading encryption key Keiji Shimada, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2021-70 |
In recent years, a common key cryptosystem for the physical layer has been introduced in digital signals to keep the dat... [more] |
PN2021-70 pp.92-97 |
PN |
2022-03-02 15:55 |
Online |
Online |
Application of polarization-independent subtractive interference cancellation algorithm for same-band and bidirectional coherent communication Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2021-84 |
When a single core and the same band bidirectional transmission is performed in a passive optical network (PON) for mobi... [more] |
PN2021-84 pp.169-173 |
OCS, CS (Joint) |
2022-01-14 10:00 |
Yamaguchi |
Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
A study on the configuration of wide dynamic range burst-mode signals detection for digital coherent reception. Ryo Koma, Kazutaka Hara, Jun-ichi Kani, Tomoaki Yoshida (NTT) CS2021-71 |
In the uplink transmission of the time division multiplexing-based passive optical network (TDM-PON) system using the di... [more] |
CS2021-71 pp.19-24 |
ED, THz |
2021-12-20 13:00 |
Miyagi |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Recent Progress in Carrier Down-Conversion Devices Between Optical Communication and Beyond 5G Wireless Communication Akira Satou, Dai Nakajima, Kazuki Nishimura, Tomotaka Hosotani, Katsumi Iwatsuki, Tetsuya Suemitsu, Keisuke Kasai, Masato Yoshida, Taiichi Otsuji (Tohoku Univ.) ED2021-48 |
echnologies that seamlessly converges optical networks and wireless networks with small delay and low power consumption ... [more] |
ED2021-48 pp.1-5 |
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] |
2021-11-18 13:45 |
Online |
Online |
[Invited Talk]
High-capacity and Long-haul WDM Transmission using PPLN-based Optical Parametric Inline Amplifier Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Takeshi Umeki, Ryoichi Kasahara, Fukutaro Hamaoka, Yutaka Miyamoto (NTT) OCS2021-29 |
Expansion of the optical band used for wavelength division multiplexing (WDM) is a key to increasing the capacity of opt... [more] |
OCS2021-29 pp.5-8 |
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 |