Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2025-01-24 09:50 |
Osaka |
(Osaka, Online) (Primary: On-site, Secondary: Online) |
Investigation on DSP-Assisted Analog-Circuit FIR Equalizer Shuhei Otsuka, Zheqing Sun, Tomoya Suzuki, Takahide Sakamoto (TMU) OFT2024-96 |
[more] |
OFT2024-96 pp.62-65 |
OPE, LQE, OCS |
2024-10-17 10:50 |
Yamaguchi |
(Yamaguchi) |
Complex-Valued Reservoir Computing with Sparsified Input- and Output-Connections for Nonlinear Equalization in Optical Fiber Transmission Systems Takumi Yamamoto, Kai Ikuta, Yuta Ito (Meiji Univ.), Takahide Sakamoto (Tokyo Metropolitan Univ.), Naokatsu Yamamoto (NICT), Moriya Nakamura (Meiji Univ.) OCS2024-26 OPE2024-79 LQE2024-26 |
Through numerical simulations and experiments, this study investigated the performance of a complex-valued reservoir-com... [more] |
OCS2024-26 OPE2024-79 LQE2024-26 pp.12-17 |
OFT |
2024-05-09 15:15 |
Nagasaki |
(Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Asymmetric Heterodyne for Phase-Conjugated Signal Processing Takahide Sakamoto (TMU) OFT2024-4 |
[more] |
OFT2024-4 pp.14-17 |
OFT |
2024-05-09 15:40 |
Nagasaki |
(Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Investigation on opto-electronic hybrid equalizer with parallel extension Shuhei Otsuka, Zheqing Sun, Tomoya Suzuki, Takahide Sakamoto (TMU) OFT2024-5 |
[more] |
OFT2024-5 pp.18-22 |
OFT |
2024-05-09 16:05 |
Nagasaki |
(Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Suppression of Stimulated Brillouin Scattering for High Power Optical Dual Sideband OFDM Communications Tomoya Suzuki, Shun Harada, Shuhei Otsuka, Tatsuki Ishijima, Zheqing Sun (TMU), Ken Tanizawa, Fumio Futami (TU), Takahide Sakamoto (TMU) OFT2024-6 |
[more] |
OFT2024-6 pp.23-27 |
OCS, LQE, OPE |
2023-10-19 10:55 |
Kochi |
(Kochi, Online) (Primary: On-site, Secondary: Online) |
A Study of Equalizers for Low Latency High-Speed Optical Communication by Parallel Extension of High-Speed Analog FIR Filters Shuhei Otsuka, Ryo Koguchi, Takahide Sakamoto (Tokyo Metropolitan Univ.) OCS2023-27 OPE2023-82 LQE2023-29 |
[more] |
OCS2023-27 OPE2023-82 LQE2023-29 pp.7-10 |
OCS, LQE, OPE |
2023-10-19 17:05 |
Kochi |
(Kochi, Online) (Primary: On-site, Secondary: Online) |
Analog RoF transmission system with optical phase conjugation and deliberate signal randomization for high RF link gain and high security Tatsuki Ishijima, Shuhei Otuka, Shun Harada, Takahide Sakamoto (Tokyo Metropolitan Univ), Ken Tanizawa, Futami Fumio (Tamagawa Univ.) OCS2023-38 OPE2023-93 LQE2023-40 |
[more] |
OCS2023-38 OPE2023-93 LQE2023-40 pp.57-61 |
OFT |
2022-10-13 09:30 |
Kanagawa |
Kanagawa-Kenmin Center (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Spectral Restoration of Optical Comb by Low-Resolution Spectrum Analyzer Combined with Inverse Matrix Deconvolution Takumi Hidaka, Tatsuki Ishijima, Shun Harada, Takahide Sakamoto (TMU) OFT2022-22 |
We demonstrate spectral measurement of frequency components generated from an electro-optic-modulator-based comb generat... [more] |
OFT2022-22 pp.17-19 |
OFT |
2022-10-13 10:50 |
Kanagawa |
Kanagawa-Kenmin Center (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Super Agile High Resolution Spectrum Analyzer by Sampled Heterodyne System Hideto Takayasu, Shuhei Otsuka, Yuma Sato, Takahide Sakamoto (TMU) OFT2022-25 |
For monitoring today’s high-speed optical signals, there is a more and more demand for optical signal evaluation and mor... [more] |
OFT2022-25 pp.29-32 |
OFT |
2022-10-14 14:55 |
Kanagawa |
Kanagawa-Kenmin Center (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
Fiber-Nonlinearity Cancellation of 8-PSK Signals by Conjugated RoF Transmission Takahide Sakamoto, Syuhei Otsuka, Tatsuki Ishijima (TMU) OFT2022-35 |
[more] |
OFT2022-35 pp.73-76 |
OFT |
2021-10-15 11:35 |
Online |
Online (Online) |
Impact of sideband-delay on Conjugated Radio-over-fiber system Takahide Sakamoto (TMU) OFT2021-47 |
[more] |
OFT2021-47 pp.101-103 |
OCS, CS (Joint) |
2019-01-18 09:30 |
Okinawa |
Nobumoto Ohama Memorial Hall (Ishigaki Island) (Okinawa) |
Experimental Demonstration and Computational Complexity Comparison of XPM Compensation using ANN and VSTF Yuta Fukumoto, Yuta Otsuka (Meiji Univ.), Takahide Sakamoto, Naokatsu Yamamoto (NICT), Moriya Nakamura (Meiji Univ.) OCS2018-77 |
(Advance abstract in Japanese is available) [more] |
OCS2018-77 pp.53-56 |
ED, THz |
2017-12-19 10:05 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Optical-to-MMW Carrier-Frequency Down-Conversion by InP-HEMT Yuya Omori, Tomotaka Hosotani, Taichi Otsuji, Katsumi Iwatsuki, Tetsuya Suemitsu (Tohoku Univ), Kaoru Higuma, Junichiro Ichikawa (Sumitomo Osaka Cement), Takahide Sakamoto, Naokatsu Yamamoto (NICT), Akira Satou (Tohoku Univ) ED2017-83 |
[more] |
ED2017-83 pp.41-45 |
OFT |
2017-10-12 15:20 |
Kochi |
Kochi Prefectural Culture Hall (Kochi) |
Self interleaving of optical comb spectra using parallel electro-optic modulator Takahide Sakamoto (NICT), Akito Chiba (Gunnma Univ.) OFT2017-38 |
(Advance abstract in Japanese is available) [more] |
OFT2017-38 pp.1-5 |
PN, NS, OCS (Joint) |
2017-06-16 16:15 |
Akita |
Akita Univ. (Akita) |
OFDM-QPSK detection by optical time-frequency sampling Takahide Sakamoto (NICT), Guo-Wei Lu (Tokai univ.), Naokatsu Yamamoto (NICT) OCS2017-22 |
Time-Frequency domain sampling based on coherent matched detection enables detection of ultra-wideband multicarrier sign... [more] |
OCS2017-22 pp.63-67 |
LQE, OPE, OCS |
2016-10-28 14:50 |
Miyazaki |
Miyazaki Citizen's Plaza (Miyazaki) |
Phase-conjugated twin signal generation by using optical modulator and its phase-sensitive detection Takahide Sakamoto, Guo-Wei Lu, Naokatsu Yamamoto, Tetsuya Kawanishi (NICT) OCS2016-55 OPE2016-96 LQE2016-71 |
(Advance abstract in Japanese is available) [more] |
OCS2016-55 OPE2016-96 LQE2016-71 pp.115-118 |
OPE, OCS |
2016-05-13 13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg(Tokyo) (Tokyo) |
[Invited Talk]
Report on OFC2016
-- Core Transmission -- Takahide Sakamoto (NICT) OCS2016-2 OPE2016-2 |
(Advance abstract in Japanese is available) [more] |
OCS2016-2 OPE2016-2 pp.5-8 |
MWP |
2016-04-21 14:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
Terahertz Wave Generation in the 3 THz Range Using Mach-Zehnder-Modulator-Based Flat Comb Generator Isao Morohashi, Yoshihisa Irimajiri, Motohiro Kumagai, Akira Kawakami, Takahide Sakamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) MWP2016-3 |
[more] |
MWP2016-3 pp.9-12 |
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] |
2016-01-28 12:55 |
Hyogo |
(Hyogo) |
Performance Evaluation on Frequency Measurement of THz Waves Using MZM-Based Flat Comb Generator Mayu Kirigaya (Yokohama National Univ.), Isao Morohashi (NICT), Yuta Kaneko, Ikufumi Katayama (Yokohama National Univ.), Yoshihisa Irimajiri, Takahide Sakamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) PN2015-40 EMT2015-91 OPE2015-153 LQE2015-140 EST2015-97 MWP2015-66 |
[more] |
PN2015-40 EMT2015-91 OPE2015-153 LQE2015-140 EST2015-97 MWP2015-66 pp.33-38 |
PEM (2nd) |
2015-11-27 - 2015-11-28 |
Kyoto |
Doshisha Univ. (Kyoto) |
Electro-Optic Sampling Detection of CW-THz Signals Using MZM-Based Flat Comb Generator Isao Morohashi (NICT), Mayu Kirigaya, Yuta Kaneko, Ikufumi Katayama (YNU), Yoshihisa Irimajiri, Takahide Sakamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) |
We proposed and demonstrated 100 GHz-band spectrum measurement based on electro-optic (EO) sampling using a Mach-Zehnder... [more] |
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