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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| LQE, ED, CPM | 2011-11-18 15:30 |
Kyoto | Katsura Hall，Kyoto Univ. | Fabrication of GaN based Terahertz-Quantum Cascade Laser Structure and Observation of Spontaneous Emission Wataru Terashima, Hideki Hirayama (RIKEN)  ED2011-99 CPM2011-148 LQE2011-122 |
We study on terahertz-quantum cascade lasers (THz-QCLs) using III-Nitride semiconductors, for the realization of the une... [more] | ED2011-99 CPM2011-148 LQE2011-122 pp.131-134 |
| WBS, SAT (Joint) |
2011-05-10 10:35 |
Okinawa | Okinawa Subtropical Environment Remote-Sensing Center | Impact of the number of possible sub-bands on coverage area performance in in-car wireless communication employing MB-OFDM UWB system Takuto Arai, Takuto Arai, Yuki Watanabe, Akihiro Yamakita, Fumiaki Maehara (Waseda Univ.) WBS2011-6 |
Recent years, the increase in weight and deployment cost of complicated wire harness is arising especially in a luxury c... [more] | WBS2011-6 pp.29-34 |
| OPE, EMT, LQE, PN, IEE-EMT [detail] | 2011-01-28 10:15 |
Osaka | Osaka Univ. | Reflective Operation of Cross-Phase Modulation of Intersubband Transition in InGaAs/AlAsSb Quantum Well Waveguide for All-Optical Signal Processing Ryoichi Akimoto, Guangwei Cong, Shin-ichiro Gozu, Teruo Mozume, Hiroshi Ishikawa (AIST) PN2010-43 OPE2010-156 LQE2010-141 |
Cross-phase modulation (XPM) efficiency associated with intersubband transition in InGaAs/AlAsSb quantum well waveguide ... [more] | PN2010-43 OPE2010-156 LQE2010-141 pp.99-102 |
| LQE, OPE, OCS | 2010-10-28 17:55 |
Fukuoka | Mojiko Retro Town, Minato house | Ultrafast digital coherent receiver based on subband technique Chao Zhang, Yojiro Mori (The Univ. of Tokyo/Japan Society for the Promotion of Sci), Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo) OCS2010-69 OPE2010-105 LQE2010-78 |
The maximum symbol rate at which a digital coherent receiver can process is strictly limited by the operation speed of a... [more] | OCS2010-69 OPE2010-105 LQE2010-78 pp.85-90 |
| RCS, AP (Joint) |
2009-11-27 13:30 |
Tokyo | Tokyo Inst. of Tech. | High Accuracy DOA Estimation for Ultra Wideband Signal by using Sub-Band Processing Shohei Ohaka, Mitoshi Fujimoto, Toshikazu Hori (Univ. of Fukui.) AP2009-136 |
An accuracy of DOA (Direction of Arrival) is deteriorated in case of UWB (Ultra Wide Band) signal, because directional p... [more] | AP2009-136 pp.103-106 |
| OPE, EMD, CPM, LQE | 2009-08-21 09:00 |
Miyagi | Passively mode-locked femtosecond fiber soliton laser with intersubband transition module Fumio Shohda, Masataka Nakazawa (Tohoku Univ.), Ryoichi Akimoto, Hiroshi Ishikawa (AIST) EMD2009-44 CPM2009-68 OPE2009-92 LQE2009-51 |
An intersubband transition (ISBT) in a quantum well has attracted considerable attention recently since it can be utiliz... [more] | EMD2009-44 CPM2009-68 OPE2009-92 LQE2009-51 pp.93-96 |
|
| CAS, CS, SIP | 2009-03-02 10:30 |
Gifu | Nagaragawa Convention Center | Subband Division Scheme in SLM for Computation Reduction Tomoya Imamachi, Hiroo Sekiya, Shiro Sakata (Chiba Univ.) CAS2008-104 SIP2008-167 CS2008-78 |
One of the drawbacks of orthogonal frequency-division multiplexing(OFDM) system is high peak-to-average power ratio (P... [more] |
CAS2008-104 SIP2008-167 CS2008-78 pp.19-24 |
| EA | 2008-12-05 12:45 |
Fukushima | A study of DOA estimation based on Sub-band Peak Hold processing Takashi Suzuki, Yutaka Kaneda (Tokyo Denki University) EA2008-113 |
In this paper, we discuss the DOA (Direction Of Arrival) estimation method using sub-band peak hold processing, which av... [more] | EA2008-113 pp.71-76 |
|
| OCS, LQE, OPE | 2008-10-24 10:10 |
Fukuoka | Kyushu Univ. | Intersubband absorption in GaN/AlN-based waveguide with SiN cladding layer Norio Iizuka (Toshiba), Toshimasa Shimizu (RCAST, The Univ, of Tokyo), Haruhiko Yoshida, Nobuto Managaki (Toshiba), Sodabanlu hassanet, Masakazu Sugiyama (The Univ. of Tokyo), Yoshiaki Nakano (RCAST, The Univ, of Tokyo) OCS2008-69 OPE2008-112 LQE2008-81 |
Intersubband absorption was achieved for a waveguide with SiN as a upper cladding layer. With the purpose of applying to... [more] | OCS2008-69 OPE2008-112 LQE2008-81 pp.113-116 |
| OPE, LQE | 2008-06-27 10:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Development of ultrafast all-optical switch utilizing intersubband transition in InGaAs/InAlAs/AlAsSb coupled quantum wells Masanori Nagase, Ryoichi Akimoto, Cong Guangwei, Takasi Simoyama, Teruo Mozume, Toshifumi Hasama, Hiroshi Ishikawa (AIST) OPE2008-20 LQE2008-21 |
All-optical cross phase modulation (XPM) was enhanced in the InGaAs/AlAsSb coupled quantum wells (CQWs) using new InAlAs... [more] | OPE2008-20 LQE2008-21 pp.11-16 |
| SDM | 2008-06-09 15:50 |
Tokyo | An401・402, Inst. Indus. Sci., The Univ. of Tokyo | HoleSubband Dispersion in Si inversion Layers Sakura N. Takeda, Makoto Morita, Ｔａkuya Ohsugi, Yohei Tanigawa, Hiroshi Daimon (NAIST) SDM2008-44 |
Subband dispersion quantized in Si inversion layer was measured by Angle-resolved photoemission spectroscopy. The dispe... [more] |
SDM2008-44 pp.13-16 |
| LQE | 2007-12-07 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Measurement of the Linewidth Enhancement Factor of Fabry-Perot Quantum Cascade Laser Naoki Kumazaki, Yohei Takagi, Mikito Ishihara, Kenichi Kasahara (Ritsumeikan Univ.), Naota Akikusa, Tadataka Edamura (Central Res. Labs., Hamamatsu Photonics KK) LQE2007-115 |
We investigate the linewidth enhancement factor, $\alpha$ of a Fabry-Perot quantum cascade laser by self-mixing interfer... [more] | LQE2007-115 pp.11-14 |
| SIP, SIS, SP | 2007-09-27 14:20 |
Aichi | Nagoya Inst. of Tech. | Linearization of Loudspeaker Systems Using a Subband Adaptive Volterra Filter Yoshifumi Nakanishi, Yoshinobu Kajikawa, Yasuo Nomura (Kansai Univ.) SIP2007-90 SIS2007-26 SP2007-52 |
In this paper, we propose a low complexity solution to the compensation of nonlinear distortion of loudspeaker systems. ... [more] | SIP2007-90 SIS2007-26 SP2007-52 pp.43-48 |
| LQE, OPE | 2007-06-29 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Intersubband transition in GaN/AlN multiple quantum disk nanocolumns Kaiichi Tanaka, Keita Ikuno, Yohei Kasai, Kazuya Fukunaga (Sophia Univ.), Hideyuki Kunugita, Kazuhiro Ema, Akihiko Kikuchi, Katsumi Kishino (Sophia Univ/JST-CREST) OPE2007-22 LQE2007-23 |
The electronic relaxation process of intersubband transition (ISBT) in semiconductor quantum wells is extremely fast due... [more] | OPE2007-22 LQE2007-23 pp.29-33 |
| LQE | 2007-05-25 11:35 |
Toyama | Kanazawa Univ. | Low power operation in ultrafast intersubband optical switch Ryoichi Akimoto, Cong Guangwei, Kazumichi Akita, Toshifumi Hasama, Hiroshi Ishikawa (AIST) LQE2007-6 |
We present an all-optical switch using intersubband transition in wide-gap II-VI-based quantum wells in an improved wave... [more] | LQE2007-6 pp.27-30 |
| ED, CPM, LQE | 2006-10-06 10:20 |
Kyoto | Fabrication of optical communication wavelength photodetector using GaN/AlN multiple quantum disk nanocolumn on Si(111) substrate Hiroyuki Uchida, Akihiko Kikuchi, Katsumi Kishino (Sophia Univ.) |
Intersubband transition (ISBT) in GaN/AlN multiple quantum structure is an attractive candidate for the mechanism of nex... [more] | ED2006-163 CPM2006-100 LQE2006-67 pp.63-67 |
|
| WBS, IT, ISEC | 2006-03-16 10:20 |
Aichi | Nagoya Univ. | Interference Mitigation Study for the Coexistence of Pulse Based UWB and Multi-Band OFDM Kohei Ohno, Tetsushi Ikegami (Meiji Univ.) |
Ultra Wideband (UWB) is an effective technique that enables coexistence with other radio systems using very short pulses... [more] | IT2005-68 ISEC2005-125 WBS2005-82 pp.25-30 |
| AP | 2006-01-26 14:15 |
Fukuoka | Fukuoka Inst. of Tech. | Study on Subband Adaptive Array for Space-Time Block Coded CDMA Systems Nordin Bin Ramli, Tetsuki Taniguchi, Yoshio Karasawa (Univ. of Electro-Comm.) |
This paper present an interference suppression using subband adaptive array (SBAA) designed for space-time block coding ... [more] | AP2005-139 pp.41-44 |
| EA | 2005-11-17 16:20 |
Hiroshima | Single-channel non-stationary noise reduction in a teleconference Kenichi Noguchi, Sumitaka Sakauchi, Ken'ichi Furuya, Yoichi Haneda, Akitoshi Kataoka (NTT) |
This paper propose a single channel non-stationary noise reduction for teleconferences.The method is composed of the noi... [more] | EA2005-73 pp.31-36 |
|
| CAS, SIP, VLD | 2005-06-27 09:30 |
Miyagi | Tohoku University | Performance improvement for Adaptive Array Antenna using Alias Free Subband Adaptive Filters Kota Endo, Kiyoshi Nishikawa, Hitoshi Kiya (Tokyo Metropolitan Univ.) |
An adaptive array antenna is commonly used to compensate frequency selective fading in mobile communication system.Two a... [more] | CAS2005-1 VLD2005-12 SIP2005-25 pp.1-6 |
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