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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, OCS, LQE | 2022-10-20 15:10 |
Ehime | (Primary: On-site, Secondary: Online) |
Signal Phase Recovery Using Digital Signal Processing in Optical Wireless Communication Systems Ryoma Murakami, Shiro Ryu (Meiji Univ.)  OCS2022-21 OPE2022-67 LQE2022-30 |
Research and development of optical wireless communication systems has been active. Optical receivers usually use a phas... [more] | OCS2022-21 OPE2022-67 LQE2022-30 pp.22-27 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 14:55 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Frequency stabilization of THz sources by electro-optic detection using modulator-based optical comb sources Isao Morohashi, Tadashi Kishimoto, Norihiko Sekine, Iwao Hosako (NICT) EMT2022-26 MW2022-50 OPE2022-29 EST2022-27 MWPTHz2022-24 |
In this paper, we report on frequency stabilization of continuous terahertz (THz) sources by electro-optic (EO) detectio... [more] | EMT2022-26 MW2022-50 OPE2022-29 EST2022-27 MWPTHz2022-24 pp.91-94 |
| PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] | 2019-01-18 12:05 |
Osaka | Osaka University Nakanoshima Center | Geneation of Coherent Terahertz Carriers in the 3 THz Range Using Optical-Comb-Based THz Source for Terahertz Communications Isao Morohashi, Yoshihisa Irimajiri, Atsushi Kanno, Akira Kawakami, Naokatsu Yamamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) PN2018-60 EMT2018-94 OPE2018-169 LQE2018-179 EST2018-107 MWP2018-78 |
We proposed a terahertz (THz) communication system operating in the 3 THz range using an optical-comb-based THz source a... [more] | PN2018-60 EMT2018-94 OPE2018-169 LQE2018-179 EST2018-107 MWP2018-78 pp.167-170 |
| OFT | 2018-10-11 14:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Single-channel 7.68 Tbit/s, 64 QAM coherent Nyquist pulse transmission over 150 km with a spectral efficiency of 9.7 bit/s/Hz Kosuke Kimura, Nitta Junpei, Masato Yoshida, Keisuke Kasai, Toshiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OFT2018-27 |
We achieved a record capacity of 7.68 Tbit/s in a single channel coherent Nyquist pulse transmission over 150 km with a ... [more] | OFT2018-27 pp.67-71 |
| OPE, OCS, OFT (Joint) [detail] |
2018-02-16 10:40 |
Okinawa | Okinawa Prefectural Museum | Pump Phase-Locked to PDM Phase-Conjugated Twin Waves by using Phase Modulation in Optical Parametric Phase-Sensitive Amplifier Repeaters Ikuya Nagatomi, Kouhei Aga, Takumi Okabe, Wataru Nakanishi, Yasuhiro Okamura (Tokushima Univ.), Takeshi Umeki, Ryoichi Kasahara (NTT), Atushi Takada (Tokushima Univ.) OCS2017-88 OPE2017-181 |
Pump phase-locked to PDM phase-conjugated twin waves (PDM-PCTWs) in optical parametric phase-sensitive amplifier repeate... [more] | OCS2017-88 OPE2017-181 pp.45-48(OCS), pp.63-66(OPE) |
| OPE, MW, EMT, MWP, EST, IEE-EMT [detail] | 2016-07-21 15:55 |
Hokkaido | A Basic Study on the Separation of Multiple Beams on Optical Beam Former for Receiving Antenna Hitomi Ono, Eisuke Haraguchi, Toshiyuki Ando, Masateru Nagase (Mitsubishi Electric), Amane Miura, Akira Akaishi, Takashi Takahashi, Morio Toyoshima (NICT) EMT2016-15 MW2016-46 OPE2016-27 EST2016-16 MWP2016-17 |
To provide a satellite communication system with high reliability for social infrastructure, building flexible beam adap... [more] | EMT2016-15 MW2016-46 OPE2016-27 EST2016-16 MWP2016-17 pp.55-60 |
|
| SAT | 2015-10-07 16:45 |
Osaka | Osaka University Nakanoshima Center | Evaluation of Optical Phase Stability on Optical Beam Former for Receiving Antenna under Temperature Fluctuation Hitomi Ono, Eisuke Haraguchi, Toshiyuki Ando, Junya Nishioka, Masateru Nagase (Mitsubishi Electric Co.), Amane Miura, Akira Akaishi, Takashi Takahashi, Morio Toyoshima (NICT) SAT2015-34 |
To provide a satellite communication system with high reliability for social infrastructure, building flexible beam adap... [more] | SAT2015-34 pp.87-91 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-16 10:10 |
Hokkaido | Kushiro City Lifelong Learning Center | Preliminary study on phase control for the stability improvement of CBC system Eisuke Haraguchi, Toshiyuki Ando (MitsubishiElectric Corp.) EMT2015-9 MW2015-47 OPE2015-21 EST2015-13 MWP2015-12 |
We have been involved in the development of a CBC (Coherent Beam Combine) for high energy laser. It is needed the CBC s... [more] | EMT2015-9 MW2015-47 OPE2015-21 EST2015-13 MWP2015-12 pp.5-10 |
| MW, OPE, EMT, MWP, EST, IEE-EMT [detail] | 2014-07-17 13:00 |
Hokkaido | Muroran Inst. of Tech. | Demonstration of Optical Down-Conversion for Receiving Optical Beam Forming Network Junya Nishioka, Eisuke Haraguchi, Toshiyuki Ando, Masateru Nagase (Mitsubishi Electric), Akira Akaishi, Amane Miura, Takashi Takahashi, Morio Toyoshima (NICT) MW2014-57 OPE2014-26 EST2014-18 MWP2014-15 |
We have been developing optical beam forming network (BFN) system with advantage that it has broadband performance and s... [more] | MW2014-57 OPE2014-26 EST2014-18 MWP2014-15 pp.23-28 |
| MW, OPE, EMT, MWP, EST, IEE-EMT [detail] | 2014-07-18 13:50 |
Hokkaido | Muroran Inst. of Tech. | Optical coherent receiver front end including functions of spatial acquisition and tracking Toshiyuki Ando, Eisuke Haraguchi, Jiro Suzuki (Mitsubishi Electric), Tomohiro Araki (JAXA) MW2014-75 OPE2014-44 EST2014-36 MWP2014-33 |
We present a new concept of optical coherent receiver front end which can obtain optical carrier phase errors in the PSK... [more] | MW2014-75 OPE2014-44 EST2014-36 MWP2014-33 pp.165-168 |
| OCS | 2012-07-26 14:05 |
Shizuoka | 32 RZ/QAM coherent optical transmission employing an RZ-CW conversion technique Keisuke Kasai, David Odeke Otuya, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2012-23 |
Coherent optical time division multiplexing (OTDM) transmission with a multi-level modulation format has attracted a lot... [more] | OCS2012-23 pp.13-18 |
|
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-22 14:50 |
Hokkaido | Phase-synchronous Chain of Two Multi-Carrier Lights Spaced at 25GHz by Cancelling Micro-wave Phase Noise Akira Mizutori, Atsushi Kodama, Masafumi Koga (Oita Univ.) MW2011-64 OPE2011-51 EST2011-50 MWP2011-32 |
This paper proposes and demonstrates a phase-synchronous chain technique for two phase-locked multi-carrier lights space... [more] | MW2011-64 OPE2011-51 EST2011-50 MWP2011-32 pp.145-149 |
|
| AP, SAT (Joint) |
2011-07-15 10:25 |
Nagano | Fac. Eng., Shinshu Univ. | Developemnt of bread board model for next generation optical inter-satellite communication
-- Verification of communication link between two terminals -- Toshiyuki Ando, Jiro Suzuki, Kazuhide Kodeki, Eisuke Haraguchi, Shigetaka Itakura, Yoshihito Hirano (Melco), Tatsuyuki Hanada, Shiro Yamakawa (JAXA) SAT2011-15 |
We have been developing next generation optical inter-satellite communication terminals based on coherent homodyne BPSK ... [more] | SAT2011-15 pp.43-48 |
| OCS | 2011-07-12 15:50 |
Osaka | Osaka Univ. Nakanoshima Center | Frequency Division Multiplexing 64 QAM-OFDM (420Gb /s) transmission over 160 km Tatsunori Omiya, Kazushi Toyoda, Keisuke Kasai, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OCS2011-43 |
We have demonstrated 64QAM-OFDM coherent optical transmission with a C2H2 frequency-stabilized fiber laser and an optica... [more] | OCS2011-43 pp.93-98 |
| SANE | 2011-06-24 13:55 |
Ibaraki | Tsukuba Space Center (JAXA) | Development of next generation optical inter-satellite communication terminals (2)
-- 2.5-Gbps optical homodyne receiver sensitivity -- Eisuke Haraguchi, Kenichi Tajima, Toshiyuki Ando, Yoshihito Hirano (MELCO), Tatsuyuki Hanada, Shiro Yamakawa (JAXA) SANE2011-39 |
Optical inter satellite communication terminal of the Gbps level is demanded by a high resolution image sensor system mo... [more] | SANE2011-39 pp.129-134 |
| SANE, SAT (Joint) |
2011-02-25 16:45 |
Hyogo | NICT Kobe Research Laboratories | Development of a Log-likelihood Coherent Optical Receiver Takashi Sasaki (UEC), Morio Toyoshima, Hideki Takenaka (NICT) SANE2010-170 |
Intensity modulation and direct detection systems are used in the practical optical fiber communication. This system nee... [more] | SANE2010-170 pp.65-67 |
| OCS, NS, PN (Joint) |
2010-06-24 10:45 |
Akita | Akita University | Single-channel 400 Gbit/s, OTDM-32 RZ/QAM coherent transmission over 225 km Keisuke Kasai, Tatsunori Omiya, Pengyu Guan, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2010-11 |
Coherent optical time division multiplexing (OTDM) transmission with a multi-level modulation format based on digital si... [more] | OCS2010-11 pp.1-6 |
| SANE | 2010-05-21 15:00 |
Kanagawa | National Defense Academy of Japan | Log-likelihood coherent optical receiver
-- High-speed ADCless Architecture -- Morio Toyoshima, Yozo Shoji, Yoshihisa Takayama (NICT), Takashi Maehata (SEI) SANE2010-13 |
Coherent optical technologies have recently been receiving renewed interest in high bit rate communications. Such recei... [more] | SANE2010-13 pp.19-23 |
| OPE, LQE, OCS | 2009-10-23 14:20 |
Fukuoka | Phase Chain of Phase-Locked Multi-carriers Synchronizing to Optical Frequency Comb Reference spaced at 25GHz Takuzi Sudaki, Akira Mizutori, Masafumi Koga (Oita Univ.) OCS2009-74 OPE2009-140 LQE2009-99 |
This paper proposed an optical phase chain technique for multiple phase-locked multi-carriers that synchronized to optic... [more] | OCS2009-74 OPE2009-140 LQE2009-99 pp.167-170 |
|
| OCS, OFT (Joint) |
2008-08-28 15:45 |
Hokkaido | Transmission of 10-Gsymbol/s 16-QAM Signal using Digital Coherent Optical Receiver Yojiro Mori, Chao Zhang, Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo) OCS2008-39 |
The use of multilevel modulation formats is one of the most effective ways of enhancing the spectral efficiency in optic... [more] | OCS2008-39 pp.35-40 |
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