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All Technical Committee Conferences  (Searched in: Recent 10 Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 26  /  [Next]  
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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