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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT | 2022-03-08 10:00 |
Kyoto | (Primary: On-site, Secondary: Online) |
Phase Conjugate Circuit for Double Frequency Retrodirective Mizuki Kataoka, Bo Yang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.)  WPT2021-33 |
We propose a novel retrodirective system on microwave power transmission (MPT) for the interference reduction. The retro... [more] | WPT2021-33 pp.58-61 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-28 09:50 |
Online | Online | [Invited Talk]
Optical Parametric Signal Processing for Optical Fiber Communication Yasuhiro Okamura, Akira Tanaka, Atsushi Takada (Tokushima Univ.) PN2021-42 EMT2021-58 MWP2021-47 |
Phase-sensitive optical amplification (PSA) and optical-phase conjugation (OPC) have recently received broad attention a... [more] | PN2021-42 EMT2021-58 MWP2021-47 pp.51-55 |
| OCS, ITE-BCT, OFT, IEE-CMN [detail] | 2019-11-21 16:45 |
Yamaguchi | Kaikyo-Messe-Shimonoseki | Quantum noise spectrum in fiber-based nondegenerate phase-sensitive amplification considering Raman scattering Kyo Inoue (Osaka Univ.) OCS2019-63 |
Wavelength dependence of quantum noise in nondegenerate phase-sensitive amplification in an optical fiber is theoretical... [more] | OCS2019-63 pp.35-40 |
| AP, RCS (Joint) |
2019-11-22 15:05 |
Saga | Saga Univ. | [Invited Lecture]
Study on Underwater Acoustic Communication using Time-Reversal DFE
-- Application for MIMO and Multiuser Communication -- Takuya Shimura, Mitsuyasu Deguchi, Yukihiro Kida, Yoshitakawa Watanabe (JAMSTEC) AP2019-139 RCS2019-234 |
In underwater acoustic communication, effects of multipath interferences and Doppler shift are much larger than those in... [more] | AP2019-139 RCS2019-234 pp.181-186(AP), pp.175-180(RCS) |
| US | 2019-08-28 15:45 |
Tokyo | Research and Development of High-Rate Underwater Acoustic Communication
-- Research on Time-Reversal MIMO Acoustic Communication and Development of Acoustic Communication System for Manned Submersible SHINKAI6500 -- Takuya Shimura, Mitsuyasu Deguchi, Yukihiro Kida, Yoshitaka Watanabe (JAMSTEC) US2019-43 |
In underwater acoustic communication, effects of multipath interferences and Doppler shift are much larger than those in... [more] | US2019-43 pp.33-38 |
|
| MBE | 2019-06-21 14:15 |
Hokkaido | Influence of coherence length on scattering suppression by digital phase-conjugate light Sogo Toda (NIT, Ishikawa), Yuji Kato (Hokkaido Univ.), Koichi Shimizu (Waseda Univ.) MBE2019-18 |
The strong scattering in biological tissue is a difficult problem for optical imaging and measurement of an animal body.... [more] | MBE2019-18 pp.11-15 |
|
| AP | 2019-02-21 15:55 |
Osaka | Sumitomo Electric Industries (Osaka Works) | [Tutorial Lecture]
Low Sidelobe Techniques Using Time-Modulated Array Kazunari Kihira (Mitsubishi Electric Corp.) AP2018-176 |
This report has focused on time-modulated array antenna, especially phase control technologies using phase shifter, and ... [more] | AP2018-176 pp.37-42 |
| RCS, AP (Joint) |
2018-11-21 09:50 |
Okinawa | Okinawa Industry Support Center | A Study on Time-modulated Array Antenna Using Complex Conjugate Signals Kazunari Kihira, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2018-115 |
A low side lobe level pattern in a phased array antenna is desired for the radar systems. Time-modulated array has been ... [more] | AP2018-115 pp.77-82 |
| 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) |
| OCS, OPE, LQE | 2017-10-27 10:20 |
Kumamoto | Josaien, Sakuranobaba | A study on equivalence between optical QAM transmission using phase-conjugated twin waves and polarization-multiplexed optical APSK transmission. Toshiki Nakao, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2017-49 OPE2017-81 LQE2017-54 |
Distortion compensation using phase-conjugated twin waves has been proposed to overcome the transmission limit of optica... [more] | OCS2017-49 OPE2017-81 LQE2017-54 pp.67-71 |
| US | 2017-08-31 13:50 |
Kanagawa | Research on time reversal underwater acoustic communication
-- Application for spatial division multiplexing in comparison with OFDM -- Takuya Shimura, Yukihiro Kida, Mitsuyasu Deguchi (JAMSTEC) US2017-52 |
Time reversal is an effective method for channel equalization in underwater acoustic communication. Its temporal and spa... [more] | US2017-52 pp.31-36 |
|
| AP | 2017-04-21 15:00 |
Osaka | Osaka university | A Study of Gain reduction with Restricted Amplitude Control Range for Active Phased Array Antennas Takayuki Nakanishi, Kazunari Kihira, Toru Takahashi, Yoshio Inasawa, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2017-19 |
An active phased array antenna is capable of controlling not only the phase of each element but also the amplitude, and ... [more] | AP2017-19 pp.95-100 |
| IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] | 2017-02-20 13:30 |
Hokkaido | Hokkaido Univ. | Characterization of multiplexing technique using virtual phase conjugation for high density holographic memory Yuta Goto, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
In the holographic memory, the achievable multiplexing number of holograms and the recording density are inherently rest... [more] | |
| MBE, NC (Joint) |
2016-03-23 09:50 |
Tokyo | Tamagawa University | Fundamental study for transillumination imaging of biological body using digital phase-conjugate optics Sogo Toda, Yuji Kato, Koichi Shimizu (Hokkaido Univ.) MBE2015-118 |
In transillumination imaging of an animal body, the light scattering in the biological tissue is the serious problem of ... [more] | MBE2015-118 pp.83-88 |
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-29 12:50 |
Hyogo | All-Optical Modulation Format Conversion from QPSK to Two BPSK Tributaries Using FWM Rina Ando, Hiroki Kishikawa, Nobuo Goto, Shin-ichiro Yanagiya (Tokushima Univ.) PN2015-92 EMT2015-143 OPE2015-205 LQE2015-192 EST2015-149 MWP2015-118 |
Conversion between multi-level modulation formats is one of the key processing functions for flexible networking aimed a... [more] | PN2015-92 EMT2015-143 OPE2015-205 LQE2015-192 EST2015-149 MWP2015-118 pp.359-362 |
|
| CAS, SIP, MSS, VLD, SIS [detail] | 2014-07-09 16:40 |
Hokkaido | Hokkaido University | Dynamic wavefront compensation of signal beam in optical satellite communication system using phase conjugation technique Kaori Nishimaki, Atsushi Okamoto, Atsushi Shibukawa, Akihisa Tomita (Hokkaido Univ.), Yoshihisa Takayama (NICT) CAS2014-18 VLD2014-27 SIP2014-39 MSS2014-18 SIS2014-18 |
We propose an optical satellite communication system which can dynamically compensate the signal beam wavefront using ph... [more] | CAS2014-18 VLD2014-27 SIP2014-39 MSS2014-18 SIS2014-18 pp.87-92 |
| OFT, OCS (Joint) |
2013-08-23 15:15 |
Hokkaido | Pre-dispersed Mutual Phase-conjugation Scheme for Fiber-nonlinearity Mitigation in Coherent Optical Communication Systems
-- Proposal and Analysis of Parallel Back-propagation Method -- Hongbo Lu, Kazuro Kikuchi (Univ. of Tokyo) OCS2013-46 |
We propose and analyze an effective and practical method for mitigating signal distortion caused by fiber nonlinearity. ... [more] | OCS2013-46 pp.55-60 |
|
| MBE, NC (Joint) |
2013-03-15 13:45 |
Tokyo | Tamagawa University | Experimental study for imaging through scattering medium by time reversal method using phase conjugate optics Shun Yokota, Takeshi Namita, Yuji Kato, Koichi Shimizu (Hokkaido Univ.) MBE2012-121 |
The absorption at a specific position inside a turbid medium can be measured by back-propagating the scattered light usi... [more] | MBE2012-121 pp.173-177 |
| SAT | 2011-12-13 13:55 |
Aichi | Nagoya University | Acquisition and tracking in inter-satellite communication with dynamically reconfigurable optical device Kaori Nishimaki, Atsushi Okamoto, Yuta Wakayama, Akihisa Tomita (Hokkaido Univ.), Yoshihisa Takayama (NICT) SAT2011-62 |
We propose an innovative acquisition and tracking system using a dynamically reconfigurable optical device for optical i... [more] | SAT2011-62 pp.137-140 |
| US | 2010-11-25 14:00 |
Aichi | Material evaluation by phase conjugate of Lamb wave propagating in thin plate Masato Nakayasu, Yasuhisa Hayashi (Shizuoka Univ.) US2010-79 |
Lamb waves were excited by a piezoelectric transducer on a thin aluminum plate and time-reversed signals of detected wav... [more] | US2010-79 pp.7-11 |
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