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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| UWT (2nd) |
2023-11-27 12:30 |
Shiga | Ritsumeikan University Biwako-Kusatsu Campus (BKC) | Laser Beam Tracking Technique for Underwater Mobile Optical Wireless Communications using Transmission/Reception Beam-Angle Control Kazuya Matsuda, Yuma Takeda, Yasuhiro Okamura (Tokushima Univ.), Takanori Satoh (FURUNO ELECTRIC), Atsushi Takada (Tokushima Univ.) |
There is a growing need for a real-time wireless transmission system for high-capacity data such as high-definition vide... [more] | |
| 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 |
| 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) |
| CS, OCS (Joint) |
2016-01-22 13:05 |
Kagoshima | Kagoshima University, Korimoto Campus, Inamori Auditorium | Dispersion Tolerance Improvement on Transmission of 16-QAM signals Interleaved with Reference Light by Adjustment of Electric Field Amplitude Naotaka Ishimura, Yasuhiro Okamura (Tokushima Univ.), Masanori Hanawa (Yamanashi Univ.), Atsushi Takada (Tokushima Univ.) OCS2015-97 |
We propose an adjustment of electric field amplitude ratio (EAR) between 16-quadrature amplitude modulation (16QAM) sign... [more] | OCS2015-97 pp.51-56 |
| OCS | 2014-07-31 11:10 |
Tokyo | Tokyo Institute of Technology | Blinded dispersion equalization on Fourier-encoded Synchronous OCDM signals by iteration of Modified CMA scheme Yasuhiro Okamura (Univ. of Tokushima), Masanori Hanawa (Univ. of Yamanashi) OCS2014-29 |
(Advance abstract in Japanese is available) [more] | OCS2014-29 pp.21-26 |
| MWP | 2014-04-17 13:50 |
Hokkaido | Sapporo Convention Center | [Invited Talk]
Techniques on Phase Sensitive Optical Amplification Atsushi Takada, Yasuhiro Okamura (Univ. of Tokushima), Masafumi Koga (Ohita Univ.) MWP2014-7 |
Phase sensitive amplifiers (PSA) have signal gain which depends on the optical phase of input signal light and waveform ... [more] | MWP2014-7 pp.33-38 |
| OCS | 2013-07-25 13:55 |
Tokyo | Sumida-Sangyo-Kaikan | Self-homodyne Detection of Phase Modulated Signals using Quadrature-phase-modulated and Polarization-multiplexed Pilot Carrier Hiroshi Mizukami (Univ. of yamanashi), Yasuhiro Okamura (Univ. of Tokushima), Masanori Hanawa (Univ. of yamanashi) OCS2013-20 |
A simple self-homodyne detection for optical phase modulated signal using a quadrature-phase-modulated and polarization-... [more] | OCS2013-20 pp.7-11 |
| PN | 2012-11-06 13:30 |
Tokyo | Japan Women's University | Experimental Demonstration of Digital Decoding of 10Gbit/s Fourier-Encoded QPSK Signals and a study of Compensation Method for Improvement of Received Signal Quality Yasuhiro Okamura, Osamu Iijima (Univ. of Yamanashi), Satoshi Shimizu, Naoya Wada (NICT), Masanori Hanawa (Univ. of Yamanashi) PN2012-30 |
Fourier-encoded OCDM signals can be simultaneously decoded by digital signal processing (DSP). In this paper, it is ... [more] |
PN2012-30 pp.35-40 |
| OCS | 2012-07-26 14:45 |
Shizuoka | Polarization variation of multi-level modulated signals interleaved with reference light Yasuhiro Okamura, Masanori Hanawa (Univ. of Yamanashi) OCS2012-24 |
In this paper, it represents that polarization variation in a transmitter, which generates multi-level modulated signals... [more] | OCS2012-24 pp.19-22 |
|
| OCS, LQE, OPE | 2011-10-28 15:15 |
Kochi | Kochi University of Technology | Simultaneous Detection of Fourier-Encoded Synchronous Optical Code Division Multiplexing Signals with Digital Signal Processing Yasuhiro Okamura, Masanori Hanawa (Univ. of Yamanashi) OCS2011-92 OPE2011-130 LQE2011-93 |
This paper presents a novel simultaneous detection scheme of Fourier-encoded synchronous optical code division multiple... [more] |
OCS2011-92 OPE2011-130 LQE2011-93 pp.199-204 |
| OCS | 2011-07-12 10:00 |
Osaka | Osaka Univ. Nakanoshima Center | Concatenated orthogonal codes for optical code division multiplexing Shohei Nozaki, Masanori Hanawa, Yasuhiro Okamura (Univ. of Yamanashi), Koji Nonaka (Kochi Univ. of Technology) OCS2011-35 |
(Advance abstract in Japanese is available) [more] | OCS2011-35 pp.51-56 |
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