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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMT, PN, MWPTHz, IEE-EMT [detail] | 2024-01-23 12:50 |
Kyoto | Kyoto Univ. Yoshida Campus | Multiple-Parallel Interference Optical Modulators Based on Multi-Branched MMI Optical Couplers Shotaro Yasumori, Keita Morimoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Shinya Nakajima, Kouichi Akahane (NICT)  PN2023-61 EMT2023-101 MWPTHz2023-89 |
Multiple-parallel interference optical modulators, where multiple phase-modulated lightwaves are directly interfered wit... [more] | PN2023-61 EMT2023-101 MWPTHz2023-89 pp.74-77 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-28 15:45 |
Online | Online | Mach-Zehnder optical modulator with tunable multimode interference coupler of Ti:LiNbO3 waveguides for modulation of high extinction ratio Anna Hirai, Shotaro Yasumori, Yuichi Matsumoto (Univ of Hyogo.), Takanori Sato (Hokkaido Univ.), Tadashi Kawai, Akira Enokihara (Univ of Hyogo.), Shinya Nakajima, Atsushi Kanno, Naokatsu Yamamoto (NICT) PN2021-48 EMT2021-64 MWP2021-53 |
A Mach-Zehnder optical modulator (MZM) with multimode interference (MMI) couplers using Ti-diffused LiNbO3 was considere... [more] | PN2021-48 EMT2021-64 MWP2021-53 pp.85-90 |
| MWP | 2019-11-27 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | RF signal phase shift method by means of optical phase control in RoF transmission Hiroshi Takahashi (Sophia Univ.) MWP2019-42 |
A new technique is proposed to enable phase shift of microwave or millimeter wave emitted from antenna at the end of RoF... [more] | MWP2019-42 pp.1-4 |
| MWP | 2019-05-22 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study of automatic bias control system for middle- and long-range radio over fiber transmission Atsushi Kanno, Naokatsu Yamamoto (NICT), Kohei Fujiwara, Kouichi Tokita (TIRI) MWP2019-4 |
We study a method of an automatic bias voltage controller for the optical single-sideband (SSB) modulation. The SSB modu... [more] | MWP2019-4 pp.15-18 |
| EA, ASJ-H | 2018-08-23 16:10 |
Miyagi | Tohoku Gakuin Univ. | Investigation of reduction method of noise occurring outside audiospot Shinichiro Osanai, Kazuhiro Kondo (Yamagata Univ.) EA2018-36 |
A parametric speaker is a device capable of outputting sound waves of strong directivity using the straight of ultrasoni... [more] | EA2018-36 pp.51-56 |
| EA, ASJ-H | 2017-08-10 14:25 |
Miyagi | Tohoku Univ., R. I. E. C. | A Study on Sound-quality Improvement Based on Multiplexed Double Sideband Modulation in Parametric Loudspeaker Yusei Nakano, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-41 |
A parametric loudspeaker can reproduce an audible sound to a particular area. To reproduce an audible sound, the paramet... [more] | EA2017-41 pp.85-90 |
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-28 13:45 |
Hyogo | Frequency-Stabilized Millimeter-Wave Signal Generation by Optical Frequency Locked-Loop and Optical Frequency Comb Technologies Jinsei Oba (Aoyama Gakuin Univ.), Atsushi Kanno, Naokatsu Yamamoto (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ.) PN2015-67 EMT2015-118 OPE2015-180 LQE2015-167 EST2015-124 MWP2015-93 |
To meet the demand of high-speed radio communications, higher frequency radio such as a millimeter-wave and terahertz wa... [more] | PN2015-67 EMT2015-118 OPE2015-180 LQE2015-167 EST2015-124 MWP2015-93 pp.205-209 |
|
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-29 09:50 |
Hyogo | Evaluation of the higher-order optical sidebands extracted by means of projecting polarization of synthesized lightwaves with different modulation indices Yosuke Akamatsu, Akito Chiba, Kazumasa Takada (Gunma Univ.) PN2015-98 EMT2015-149 OPE2015-211 LQE2015-198 EST2015-155 MWP2015-124 |
We propose generation of optical two-tone signal by polarization manipulation. Polarization of ± 1st-order optical sideb... [more] | PN2015-98 EMT2015-149 OPE2015-211 LQE2015-198 EST2015-155 MWP2015-124 pp.389-392 |
|
| EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2015-01-29 14:55 |
Osaka | Suppression of Optical Spectrum Fluctuations by Stabilizing Fiber Loop Length in Optical Comb Generator Using an Optical SSB Modulator Norimasa Nagatani, Yoshiki Onishi, Hiroyuki Toda (Doshisha Univ.), Tetsuya Kawanishi (NICT) PN2014-47 OPE2014-172 LQE2014-159 EST2014-101 MWP2014-69 |
In this paper, we investigate the optical power fluctuation of the output in optical comb generator using an optical sin... [more] | PN2014-47 OPE2014-172 LQE2014-159 EST2014-101 MWP2014-69 pp.127-131 |
|
| MWP | 2014-11-05 16:10 |
Miyagi | RIEC, Tohoku Univ. | Numerical Study of Millimeter-Wave Signal Generation using Optical Frequency Locked-Loop and Optical Frequency Comb Technologies Ryo Matsumoto, Jinsei Oba (Aoyama Gakuin Univ.), Atsushi Kanno, Tetsuya Kawanishi (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ.) MWP2014-47 |
To meet the demand of high-speed wireless communications, higher frequency radio such as a millimeter-wave and terahertz... [more] | MWP2014-47 pp.29-32 |
| RCS | 2013-06-21 09:10 |
Hokkaido | Hokkaido Univ. | SSB Transmission using Analog SC-FDE Thanh Hai Vo, Shinya Kumagai, Tatsunori Obara, Fumiyuki Adachi (Tohoku Univ.) RCS2013-60 |
In analog waveform transmission, the channel is considered as frequency-nonselective fading channel due to the narrow si... [more] | RCS2013-60 pp.135-140 |
| US, EA (Joint) |
2013-01-24 13:10 |
Kyoto | Kambaikan, Doshisha Univ. | A study on reproduced area control based on separating emission of carrier and subband waves Masato Nakayama, Tadashi Matsui, Takanobu Nishiura (Ritsumeikan Univ.) US2012-92 EA2012-123 |
The parametric loudspeaker is ideal candidate to achieve audio system with the super high directivity by using ultrasoun... [more] | US2012-92 EA2012-123 pp.25-30 |
| OCS | 2012-07-26 15:35 |
Shizuoka | A study of high-pass Hilbert transformers on optical single sideband modulation by phase shift method Katsumi Takano, Yoshiaki Ichijo, K. I. Amila Sampath, Koichi Oikawa (Yamagata Univ.) OCS2012-26 |
Optical single sideband (SSB) modulation can save the transmission bandwidth. In order to enhance the modulation depth a... [more] | OCS2012-26 pp.29-33 |
|
| OCS | 2010-07-29 15:00 |
Shizuoka | New Welcity Yugawara | A Study on Waveform Degradation from Fiber Propagation of Emitted-Carrier Optical Single Sideband Signals Katsumi Takano, Yoshiaki Ichijo, Masayuki Ishihara, Kiyoshi Nakagawa (Yamagata Univ.) OCS2010-29 |
Use of an optical single side-band (OSSB) modulation signal engenders high bandwidth efficiency because the OSSB signal ... [more] | OCS2010-29 pp.29-33 |
| OPE, EMT, MW | 2009-07-31 10:15 |
Hokkaido | Asahikawa Civic Culture Hall | Optical signal wavelength swapping based on optical sideband generation in interferometric-type optical switch with intensity trimmers Akito Chiba, Takahide Sakamoto, Tetsuya Kawanishi (NICT), Kaoru Higuma (Sumitomo Osaka Cement), Masayuki Izutsu (Tokyo Inst. of Tech.) MW2009-63 OPE2009-63 |
In this report we describe a method to avoid wavelength overlapping of two lightwave signals by use of an interferometri... [more] | MW2009-63 OPE2009-63 pp.181-184 |
| LQE | 2009-05-22 13:55 |
Toyama | Kanazawa Univ. | Frequency stabilization of laser diode to the 6S-8S two-photon transitions in Cs atoms in a vapor cell placed in an external cavity Tomoyuki Uehara, Kazuhiko Sugiyama (Grad. Sch. Kyoto Univ./JST), Koji Matsushita, Masataka Koizumi (Grad. Sch. Kyoto Univ.), Masao Kitano (Grad. Sch. Kyoto Univ./JST) LQE2009-11 |
We pursue ultimate high-stability obtained with the lasers frequency-stabilized to the absorption lines of atoms and mol... [more] | LQE2009-11 pp.55-58 |
| OCS | 2008-07-17 15:15 |
Yamanashi | Equalization Technique of Self-Phase Modulation Effect on Carrier-Suppressed Optical Single Sideband Fiber Transmissions Katsumi Takano, Yuki Sawaguchi, Masayuki Ishihara, Kohei Sasaki, Kiyoshi Nakagawa (Yamagata Univ.) OCS2008-28 |
Use of an optical single side-band (OSSB) modulation signal engenders high bandwidth efficiency because the OSSB signal ... [more] | OCS2008-28 pp.41-46 |
|
| OCS | 2007-07-20 11:35 |
Yamagata | Denkoku-No-Mori (Yonezawa) | Optical single sideband modulation using signal phase-shift in optical domain Katsumi Takano, Nobutomo Hanzawa, Sadayuki Tanji, Kiyoshi Nakagawa (Yamagata Univ.) OCS2007-24 |
Use of an optical single side-band (OSSB) modulation signal engenders high bandwidth efficiency because the OSSB signal ... [more] | OCS2007-24 pp.21-26 |
| RCS, CS | 2005-01-28 16:00 |
Okinawa | University of the Ryukyus | Intersymbol Interference Characteristics of Single Side-Band QPSK and Its Turbo Equalizer Performance Boonsarn Pitakdumrongkija, Hiroshi Suzuki, Satoshi Suyama, Kazuhiko Fukawa (Tokyo Inst. Tech.) |
This paper proposes a novel single sideband QPSK modulation scheme that utilizes single reference carrier frequency and ... [more] | CS2004-214 RCS2004-321 pp.185-190 |
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