研究成果(2008年度以前)

2008年度

学術論文

      ・Shanmugam Saravanan, Takashisa Harayama, “Improvement in size distribution and optical properties of InAs/GaAs QDs by post growth thermal treatment,” Physica Status Solidi (B), DOI 10.1002/pssb.200880590, Jan. 2009.

・Shingo Hiratsuka (Doshisha Univ.), Shanmugam Saravanan, Takahisa Harayama, Naoki Ohtani (Doshisha Univ.), “Photoluminescence properties of annealed InAs quantum dots capped by InGaAs layers,” Physica Status Solidi (c), 6, No.1, pp.189-192, Jan. 2009.

・Satoshi Sunada, Shuichi Tamura, Keizo Inagaki, Takahisa Harayama, “A ring laser gyroscope without lock-in phenomenon,” Physical Review A, Vol.78, pp.053822, Nov. 2008.

・Muhan Choi, Susumu Shinohara, Takahisa Harayama, “Dependence of far-field characteristics on the number of lasing modes in stadium-shaped InGaAsP microlasers,” Optics Express, Vol.16, No.22, pp.17554-17559, Oct. 2008.

・森下 雅透 (新潟大), 山田 寛喜, Chen SUN, 太郎丸 眞, 大平 孝 (豊橋技術科学大), 山口 芳雄 (新潟大), “複数給電型パラサイトアレーを用いた適応指向性制御方式,” 電子情報通信学会論文誌B, Vol.J91-B, No.10, pp.989-997, Sept. 2008.

・Chen Sun, Thomas Hunziker, Jun Cheng (ATR/Doshisha Univ. ), Makoto Taromaru, Takashi Ohira, “Achieving Diversity by Frame Splitting for MIMO Downlink with Distributed Base Station Arrays,” IEEE Transactions on Vehicular Technology, Accepted In press, Aug. 2008.

・Muhan Choi, Takehiro Fukushima (Okayama Pref. Univ.), Takahisa Harayama, “Alternate oscillations in Quasi-Stadium Laser Diodes,” Physical Review A, Vol.77, pp.063814, Jun. 2008.

国際会議

      ・Wuqiong Luo , Masataka Ohira, Amane Miura, Masazumi Ueba, “Bandwidth Enhancement of Coaxial Line to Post-wall Waveguide Transition Using Short-ended Straight Post in 60-GHz Band,” Asia Pacific Microwave Conference 2008, N/A, Dec. 2008.

・Shoichi Kitazawa, Makoto Taromaru, Masazumi Ueba, “A Study of Switchable Dual-Frequency Oscillator for 60GHz FSK Modulation,” Asia Pacific Microwave Conference 2008, N/A, Dec. 2008.

・Masataka Ohira, Amane Miura, Masazumi Ueba, “60GHz Wideband Shaped-Beam Antenna Using Closely-Spaced Waveguide Slots for Wireless LAN,” International Symposium on Antennas and Propagation, pp. N/A, Oct. 2008.

・Takahisa Harayama, “Nonlinear Dynamics in Deformed Microcavity Lasers,” Frontiers in Optics 2008, FWC4, Oct. 2008.

・Muhan Choi, Susumu Shinohara, Takehiro Fukushima (Okayama Pref. Univ.), Takahisa Harayama, “Convergence of far-field characteristics upon ray dynamics in stadium microlasers,” Frontiers in Optics 2008, FThP3, Oct. 2008.

・Takahisa Harayama, “Wave Chaos in Rotating Optical Microcavities,” 7th International Summer School and Conference “Let’s Face Chaos through Nonlinear Dynamics”, p.45 (Invited), Jun. 2008.

・Satoshi Sunada, Takahisa Harayama, “Rotating resonant microcavities: application to optical gyroscopes,” First Mediterranean Photonics Conference 2008, pp.94-96, Jun. 2008.

・Takahisa Harayama, Satoshi Sunada, “Sagnac Effect and Frequency Splitting in Rotating Optical Microcavities,” 10th Anniversary International Conference on Transparent Optical Networks, p.38 (Invited), Jun. 2008.

・Yutaka Nakae, Tomohiro Miyasaka, Takahiko Sasaki, Susumu Shinohara, Takahisa Harayama, “Lasing emission patterns from Monza-shaped semiconductor microcavities,” 10th Anniversary International Conference on Transparent Optical Networks, pp.258-259, Jun. 2008.

・Takahisa Harayama, “Theory and Application of 2D Microcavity Lasers,” International Seminar and Workshop on New Frontiers of Quantum Chaos in Mesoscopic Systems, N/A, May. 2008.

・Muhan Choi, Susumu Shinohara, Takehiro Fukushima, Takahisa Harayama, “Convergence of far-field characteristics upon ray dynamics with the transition from single to multi-mode lasing in stadium microlasers,” International Seminar and Workshop on New Frontiers of Quantum Chaos in Mesoscopic Systems, N/A, May. 2008.

・Shanmugam Saravanan, Takashisa Harayama, “Improvement in size distribution and optical properties of InAs/GaAs QDs by post growth thermal treatment,” The 5th International conference on semiconductor Quantum dots, Th-P-066, p.298, May. 2008.

  • ・Harayama, “Design of an Optical Coupling System between a Confocal Quasi-Stadium Laser Diode and Multimode Optical Fibers,” 3-rd International Laser, Light-Wave and Microwave Conference 2008, N/A, Apr. 2008.

 

・Takehiro Fukushima (Okayama Pref. Univ.), Yoshiyuki Handa (Okayama Pref. Univ.), Takahisa Harayama, “Optical Coupling System between an Unstable Quasi-Stadium Laser Diode and Multimode Optical Fibers,” 3-rd International Laser, Light-Wave and Microwave Conference 2008, N/A, Apr. 2008.

・Tomoki Ishida, Shuichi Tamura, Satoshi Sunada, Keizo Inagaki, Takahisa Harayama, Shigeru Saito (Ritsumeikan Univ.), “Improvement of accuracy of angular velocity detection in semiconductor fiberoptic ring laser gyroscope,” 19th International Conference on Optical Fibre Sensors, Vol.7004, pp.700450-1-4, Apr. 2008.

・Keizo Inagaki, Shuichi Tamura, Tomoko Tanaka, Hiroyuki Noto, Takahisa Harayama, “Earth’s rotation rate detection using an extremely-large semiconductor fiber optic gyroscope extending over 10,000 m2 ,” 19th International Conference on Optical Fibre Sensors , Vol.7004, pp.70045F-1-70045F-4, Apr. 2008.

上に戻る

2007年度

学術論文

      ・Shanmugam Saravanan, Takashisa Harayama, “Investigation of InxGa1-xAs strain reducing layers effects on InAs/GaAs Quantum dots,” IEICE Electronics Express, Vol.5, No.2, pp.53-59, Jan. 2008.

・福嶋 丈浩 (ATR/岡山県立大), 篠原 晋, 原山 卓久, “Light beam output from diamond-shaped total-internal reflection modes by using intracavity air gaps,” Optics Express, Vol.15, No.25, pp.17392-17400, Dec. 2007.

・野村 渉 (ATR/同志社大), Eddy Taillefer, 太郎丸 眞, 程 俊 (ATR/同志社大), “リアクタンスドメインESPRIT法における選択関数を用いた全方位に対する電波到来方向推定,” 電子情報通信学会論文誌B, Vol.J90-B, No.12, pp.1284-1292, Dec. 2007.

・Takehiro Fukushima (Okayama Pref. Univ), Tomoko Tanaka, Takahisa Harayama, “High quality lowest loss mode lasing in GaAs unstable resonator quasi-stadium laser diodes,” Optics Letters, Vol.32, Issue.23, pp.3397-3399, Nov. 2007.

・Chen Sun, Makoto Taromaru, Takashi Ohira, “Employing Coordinated Transmit and Receive Beamforming in Cclustering Double-Directional Radio Channel,” EURASIP Journal on Wireless Communications and Networking, Vol.2007, Article ID 57175, 10pages, Nov. 2007.

・Akifumi Hirata, Eddy Taillefer, Hiroyoshi Yamada (ATR/Niigata Univ.), Takashi Ohira, “Handheld DOA Finder with Electronically Steerable Parasitic Array Radiator Using the Reactance-Domain MUSIC Algorithm,” IEEE Proceedings Microwaves, Antennas & Propagation, 2007, 1, (4), pp.815-821, Aug. 2007.

・Takahisa Harayama, Satoshi Sunada, Tomohiro Miyasaka, “Wave chaos in rotating optical cavities,” Physical Review E, vol.76, p.016212, Jul. 2007.

・Satoshi Sunada, Takahisa Harayama, Kensuke Ikeda (Ritsumeikan Univ.), “Numerical Simulations of Two-dimensional Microcavity Lasers; Nonlinear Dynamics of Whispering Gallery Modes,” Nonlinear Phenomenon in Complex Systems, Vol.10, No.1, pp.1-15 (2007), Jul. 2007.

・Thomas Hunziker, Jacir Bordim (ATR/ACR), Makoto Taromaru, Takashi Ohira, “Maximum-Likelihood Array Signal Decoding in the Presence of Block-Wise Stationary Cochannel Interference,” IEEE Transactions on Wireless Communications, Vol.6, Issue 4, pp.1476-1487, Apr. 2007.

・Takahisa Harayama, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Satoshi Sunada, Kensuke S. Ikeda (Ritsumeikan Univ.), “Chaos and multi-attractors in fully chaotic 2D microcavity lasers,” Progress of Theoretical Physics Supplement, No.166 (2007) pp.104-111, Apr. 2007.

国際会議

      ・Toshiro KODERA, Nobuhiko Ando, Makoto Taromaru, “An EER transmitter with burst-width envelope modulation,” IEEE Topical Symposium on Power Amplifiers for Wireless Communications, なし, Jan. 2008.

・Toshiro Kodera, Nobuhiko Ando, Makoto Taromaru, “A basic study on EER transmitter with burst-width envelope modulation based on triangle-wave PWM,” 2007 Korea-Japan MicroWave Conference , TH01-1, pp.1-4, Nov. 2007.

・Susumu Shinohara, Takehiro Fukushima and Takahisa Harayama, “Ray-wave correspondence in chaotic optical cavities,” 9th Japan-Slovenia Seminar on Nonlinear Science, PS-26, p.80, Nov. 2007.

・Amane Miura, Wuqiong Luo, Makoto Taromaru, Masazumi Ueba, Takashi Ohira, “Experimental Study of Reactively Loaded Parasitic Microstrip Array Antenna for Circular Polarization,” The Second European Conference on Antennas and Propagation, Fr2.2.8, pp.602-603, Nov. 2007.

・Chen Sun, Jun Cheng, Makoto Taromaru, “A Protocol of Multi-Phase Cooperative Wireless Networks for the Lowest Outage Probability,” IEEE 7th International Symposium on Communications and Information Technologies , pp.1440-1445, Oct. 2007.

・Masazumi Ueba, Amane Miura, Shoichi Kitazawa, Shigeru Saito, Takashi Ohira, “Feasibility Study on Millimeter Wave Multi-Gigabit Wireless LAN System,” IEEE European Microwave Conference, pp.688-690, Oct. 2007.

・Shuichi Tamura, Keizo Inagaki, Hiroyuki Noto, Takahisa Harayama, “Experimental Investigation of Sagnac Beat Signals using Semiconductor Fiber-Optic Ring Laser Gyroscope (S-FOG) based on Semiconductor Optical Amplifier (SOA),” SPIE Optics East, 6770-43, Poster Session (p.104), Sept. 2007.

・Makoto Taromaru, Nobuhiko Ando, Toshiro Kodera, Kazuto Yano, “AN EER TRANSMITTER ARCHITECTURE WITH BURST-WIDTH ENVELOPE MODULATION BASED ON TRIANGLE-WAVE COMPARISON PWM,” The 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 1-4244-1144-0, Sept. 2007.

・un Cheng (ATR/Doshisha Univ.), Eddy Taillefer, Takashi Ohira, “SIgnal processing algorithms and their experimental results for a compact smart antenna,” The First International Symposium on Radio Systems and Space Plasma, C1-I-1303, pp.1-4, Sept. 2007.

・Toru Hshimoto , Takahi Itoh, Masazumi Ueba, Hisato Iwai (ATR/Doshisha Univ.), Hidemichi Sasaoka (Doshisha Univ.), Kazukuni Kobara (AIST/Chuo Univ.), Hideki Imai (AIST/Chuo Univ.), “Comparative Studies in Key Disagreement Correction Process on Wireless Key Agreement System,” The 8th International Workshop on Information Security Applications, LNCS 4867, pp.173-187, Aug. 2007.

・Takahisa Harayama, Satoshi Sunada, “Rotating optical microcavities,” The 7th Pacific Rim Conference on Laser and Electro-Optics , TuG2-1, pp.241-242 (Invited), Aug. 2007.

・Shanmugam Saravanan, Takahisa Harayama, “Effect of growth interruption during the growth of InAs/GaAs QDs,” International Workshop on Quantum Dots and Laser Applications , No.19 (Poster), Jul. 2007.

・Satoshi Sunada, Takahisa Harayama, Syuichi Tamura, Keizo Inagaki, “The effect of rotation in optical cavities: application to optical gyros,” Optical microcavities: From rays to waves. From passive to active., Slide, Jul. 2007.

・Takahisa Harayama, “Theory and Application of 2D Microcavitiy Lasers,” 8th Japan-Slovenia Seminar on Nonlinear Science, Mo.D3.1, pp.42-45, Jul. 2007.

・Chen Sun, Jun Cheng, Taromaru Makoto, “Achiving the Lowest Outage Probability for Multi-Phase Cooperative Wireless Networks,” IEEE Information Theory Workshop, pp.243-247, Jul. 2007.

・akahiko Sasaki, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Yutaka Nakae, Muhan Choi, Takahisa Harayama, “Optical Control of Ring Modes Using Tandem Quasi-Stadium Laser Diodes ,” 9th International Conference on Transparent Optical Networks, Tu.P.10, pp.151-154, Jul. 2007.

・Takahisa Harayama, “Theory and applications of 2D microcavity lasers,” 9th International Conference on Transparent Optical Networks , p.29, Jul. 2007.

・Yutaka Nakae, Takehiro Fukushima, Takahiko Sasaki, Takahisa Harayama, “Beam mode observation in quasi-stadium laser diodes,” 9th International Conference on Transparent Optical Networks, Tu.P.13, pp.162-165, Jul. 2007.

・Susumu Shinohara, Takahisa Harayama, “Ray-Wave Correspondence in Stadium-Shaped Optical Cavities,” 9th International Conference on Transparent Optical Networks, Tu.P.20, pp.188-189, Jul. 2007.

・Muhan Choi, Takehiro Fukushima(ATR/Okayama Pref. Univ.), Takahisa Harayama, “Two Mode Interactions in Quasi-Stadium Laser Diodes,” 9th International Conference on Transparent Optical Networks, Tu.P.14, pp.166-169, Jul. 2007.

・Masataka Ohira, Amane Miura, Masazumi Ueba, Makoto Taromaru and Takashi Ohira, “Varactor-Loaded Inverted-F Multiport Parasitic Array Radiator Antenna,” 2007 IEEE International Symposium on Antennas and Propagation, pp.5211-5214, Jun. 2007.

・Qing Han, Nobuyuki Tenno, Amane Miura, Masazumi Ueba, Takashi Ohira, “Radial Fed SP8T Varactor-Mounted Waveguide Switch for Millimeter-Wave Beam Steerable Antenna,” 2007 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp.4377-4380, Jun. 2007.

・Hiroshi Harada (NICT), Shoichi Kitazawa, “CoMPA PHY proposal,” IEEE 802 Wireless Interim Session – May 2007, スライド(成果外), May. 2007.

・Takehiro Fukushima(ATR/Okayama Pref. Univ.), Takahisa Harayama, “Axis and Ring Mode Switching in Multi-Electrode GaAs Quasi-Stadium Laser Diodes,” Conference on Laser and Electro-Optics/Quantum Electronics Laser Conference 2007 (CLEO/QELS’07), なし, May. 2007.

上に戻る

2006年度

学術論文

      ・篠原 晋, 原山 卓久, “Signature of ray chaos in quasi-bound wavefunctions for a stadium-shaped dielectric cavities,” Physical Review E, Vol.75, pp.036216, Mar. 2007.

・Hitoshi Shimizu, Shanmugam Saravanan, Junji Yoshida, Sayoko Ibe (Furukawa Elec.), Noriyuki Yokouchi (Furukawa Elec.), “Long-Wavelength Multilayered InAs Quantum Dot Lasers,” Japanease Journal of Applied Physics, Vol.46, No.2, 2007, pp.638-641, Feb. 2007.

・Tomoko Tanaka, Martina Hentschel (ATR/Univ. Regensburg), Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Classical Phase Space Revealed by Coherent Light,” Physical Review Letters, Vol.98, pp.033902, Jan. 2007.

・Jun Cheng (ATR/Doshisha Univ.), Takashi Ohira, Koichi Kamoi (Knowledge X), Yoichiro Watanabe (Doshisha Univ.), “Spreading Set with Error Correction for Multiple-Acccess Adder Channel,” IEEE Transactions on Information Theory, Vol.52, No12, pp.5524-5529, Dec. 2006.

・Tomoyuki Aono, Keisuke Higuchi, Takashi Ohira, Bokuji Komiyama, Hideichi Sasaoka (Doshisha Univ.), “IEEE 802.15.4 ESPARSKey (Encryption Scheme Parasite Array Radiator Secret Key),” Electronics and Communications in Japan, Part I, Vol.89, No.12, pp.31-44, Dec. 2006.

・Qing Han, Brett Hanna (Startronics), Kaizo Inagaki, Takashi Ohira, “Mutual impedance extraction and varactor calibration technique for ESPAR antennna characterization,” IEEE Transactions on Antennas and Propagation, vol.54, No.12, pp.3713-3720, Dec. 2006.

・Jun Cheng (ATR/Doshisha Univ.), Takashi Ohira, Koichi Kamoi (Knowledge X), Yoichiro Watanabe (Doshisha Univ.), “Spreading Set with Error Correction for Multiple-Acccess Adder Channel,” IEEE Transactions on Information Theory, Vol.52, No12, pp.5524-5529, Dec. 2006.

・Kyouichi Iigusa, Takuma Sawaya, Makoto Taromaru, Takashi Ohira, Bokuji Komiyama, “Experimental Proof of Electrically Invisible State of Inductively Loaded Dipole and Proposal of Electrically Invisible Meander-Lines,” IEEE Transactions on Antennas and Propagation, Vol.54, No.11, pp.3374-3382, Nov. 2006.

・飯草 恭一, 山元 誠, 澤谷 琢磨, 太郎丸 眞, 大平 孝, 小宮山 牧兒, “DC制御線を兼ねた給電線を有する周波数制御ループアンテナ,” 電子情報通信学会論文誌B, vol.J89-B, No.11, pp.2127-2142, Nov. 2006.

・Qing Han, Keizo Inagaki, Brett Hanna (Startronics), Takashi Ohira, “Evanescent Reactive-near-field Measurement for ESPAR Antenna Characterization,” IEEE Transactions on Antennas and Propagation, Vol.54, Mo.10, pp.2953-2962, Oct. 2006.

・Susumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “The Ray-wave Correspondence in Stadium-cavity Lasers,” Physical Review A, Vol.74, pp.033820, Sept. 2006.

・Oyunchimeg Shagdar, Kenji Nakagawa (Nagaoka Univ. of Tech), Bing Zhang, “Achieving Per-Flow Fairness In Wireless Ad Hoc Networks,” Electronics and Communications in Japan, Part 1, Vol.89, No.8, pp.37-49, Aug. 2006.

・Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Control of Directional Emission in Quasistadium Microcavity Laser Diodes with Two-Electrodes,” Applied Physics Letters, Vol. 88, pp. 211110 (2006), May. 2006.

・Shanmugam Saravanan, Hitoshi Shimizu, Pablo Vaccaro, “Strain Reduction and Long Wavelength Emission from InAs/GaAs QDs by using Growth Interruption in MBE,” Japanese Journal of Applied Physics , Vol.45, No.4A, 2006, pp.2430-2432, Apr. 2006.

・Norihiko Kamata (Saitama Univ.), Shanmugam Saravanan, J. M. Zanardi Ocampo, Pablo Vaccaro, Yasuhiko Arakawa (Univ. of Tokyo), “Nonradiative Centers in InAs Quantum Dots Revealed by Two-wavelength Excited Photoluminescence,” Physica B, Vol.376-377, pp.849-852, Apr. 2006.

国際会議

      ・Qing Han, Nobuyuki Tenno, Amane Miura, Takashi Ohira, “Tapered Radial Fed Circuit and Varactor-Mounted Waveguide Switch for Millimeter-Wave Switched Sector-Beam Antenna,” International Workshop on Antenna Technology 2007 , pp.295-298, Mar. 2007.

・Chang-Jun Ahn, Makoto Taromaru, Satoshi Takahashi (Hiroshima City Univ.), “Link Correlation based Transmit Sector Antenna Selection for Alamouti Coded OFDM,” IEEE Wireless Communications and Networking Conference, pp.869-873 , Mar. 2007.

・Kazuto Yano, Makoto Taromaru, “Pre-FFT type MMSE adaptive array antenna to suppress asynchronous interference for OFDM packet transmission,” IEEE Wireless Communications & Networking Conference 2007, pp.1394-1399, Mar. 2007.

・Takashi Ohira, “A Simple but Persuasive Approach to Oscillator Characterization,” Asia-Pacific Microwave Conference 2006, Slide (Invited), Dec. 2006.

・Takashi Ohira and Hideichi Sasaoka(Doshisha Univ.), “IEEE802.15.4 Wireless Secret Key Generator,” Asia-Pacific Microwave Conference , Slide (Invited), Dec. 2006.

・Chang-Jun Ahn, Makoto Taromaru, “Transmit Sector Selection with Considering the Link Correlation for SDM/OFDM Systems,” International Conference on Innovation in Information Technology, 1-4244-0674-9, Nov. 2006.

・Takahisa Harayama, “Two-dimensional Microcavity Lasers,” Materials Science and Materials Mechanics at the Nanoscale, p.37, Nov. 2006.

・Nobuyuki Tenno, Amane Miura, Takashi Itoh, Makoto Taromaru, Takashi Ohira, “A Fundamental Study on a Switched-beam Sector Slot-array Antenna in 60GHz Band,” 2006 International Symposium on Antennas and Propagation, pp.1-5, Nov. 2006.

・Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Lowest Order Ring Mode Lasing in Confocal Quasi-Stadium Laser Diodes,” The 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society , pp.931-932, Oct. 2006.

・Tomoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Morphological Dependence of Emission Patterns from Oval-Billiard Microcavity Laser Diodes,” the 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society , pp.729-730, Oct. 2006.

・Chen Sun, Makoto Taromaru, “Achieving Diversity by Generating Channel Perturbation with Random Beamforming in Block Fading Environment,” 5th Asia-Europea Workshop on Information Theory, pp.55-59, Oct. 2006.

・Satoshi Sunada, Takahisa Harayama, “Sagnac Effect in Resonant Microcavities,” 18th International Conference on Optical Fiber Sensors , TuE62.pdf, Oct. 2006.

・Keizo Inagaki, Shuichi Tamura, Hiroyuki Noto, Takahisa Harayama, “Sagnac Beat Signals Observed in Semiconductor Fiber-Optic Ring Laser Gyroscope,” 18th International Conference on Optical Fiber Sensors , ME7.pdf, Oct. 2006.

・Chang-Jun Ahn, Makoto Taromaru, “Pilot Frequency Nulling based Channel Estimation for Multiple QR-Decompositions with Transposed Channel Matrix SDM/OFDM,” 2006 IEEE Information Theory Workshop, 1-4244-0067-8, pp.636-640, Oct. 2006.

・Takahisa Harayama, “Theory and Applications of 2D Microcavity Lasers,” Novacella Autumn Conference 2006 Chaos and Complex Systems, なし, Oct. 2006.

・Mayumi Yamamoto, Makoto Taromaru, Hanae Sadamichi (Sanyo Electric), Atsushi Shimizu (Sanyo Electric), “Performance of Angle Switch Diversity Using ESPAR Antenna for Mobile Reception of Terrestrial Digital TV,” Vehicular Technology Conference 2006 Fall, 1-4244-0063-5, Sept. 2006.

・Hisanori Amasaki, Kazuto Yano, Makoto Taromaru, Takashi Ohira, “Simulation for Millimeter Wave Delay Profile Using Ray-Tracing Method with Considering Antenna Directivity,” 2006 Korea-Japan AP/EMCJ/EMT Joint Conference, pp.165-168, Sept. 2006.

・Susumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “Directional Lasing Emission from Stadium-shaped Microcavities,” International Conference on Quantum Mechanics and Chaos, PS-B14 (p.104), Sept. 2006.

・Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Control and Switching of Light Emission in Quasistadium Microcavity Laser Diodes by using Two Electrodes,” International Conference on Quantum Mechanics and Chaos, PS-A15 (p.65), Sept. 2006.

・Yutaka Nakae, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Mode Switching by Multi-electrodes and Tandem Quasi-stadium Laser Diodes,” International Conference on Quantum Mechanics and Chaos, PS-A14 (p.64), Sept. 2006.

・Satoshi Sunada, Takahisa Harayama, “Sagnac Effect in Rotating Resonant Microcavities,” International Conference on Quantum Mechanics and Chaos, PS-B13 (p.103), Sept. 2006.

・Takahisa Harayama, “Theory, Experiments, and Applications of 2D Microcavity Lasers,” International Conference on Quantum Mechanics and Chaos, p.23, Sept. 2006.

・Takahiko Sasaki, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Locking of Two Modes in InGaAsP Multiple-quantum-well Quasi-stadium Laser Resonators,” International Conference on Quantum Mechanics and Chaos, PS-B15 (p.105), Sept. 2006.

・Tomoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Far Field Emission Patterns from Oval-Billiard Microcavity laser Diodes,” International Conference on Quantum Mechanics and Chaos, PS-B12 (p.102), Sept. 2006.

・Qing Han, Victor Briend, Takashi Ohira, “Evaluation of the Adaptive Beamforming Capability of an ESPAR Antenna Using the Genetic Algorithm,” European Conference on Wireless Technology 2006, pp.59-62, Sept. 2006.

・Eddy Taillefer, Wataru Nomura (ATR/Doshisha Univ.), Makoto Taromaru, “New Direction-of-arrival Estimation Method Based on the Reactance-domain ESPRIT Algorithm With Improved Subarray-configuration Selection,” European Conference on Wireless Technology 2006 , pp.55-58, Sept. 2006.

・Takahisa Harayama, “Complexity of 2D Microcavity Lasers,” Dynamical Chaos and Non-equilibrium Statistical Mechanics: From Rigorous Results to Applications in Nano-systems, なし, Aug. 2006.

・Susumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “Highly Directional Emission in Stadium-Cavity Lasers,” Dynamics Days Asia Pacific 4, p.20, Jul. 2006.

・akahisa Harayama, “Nonlinear Dynamics and Optical Sensing Application of 2D Microcavity Lasers,” Dynamics Days Asia Pacific 4, p.9, Jul. 2006.

・>Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Control of Emission Light in Quasi-Stadium Micro-Cavity Laser Diodes,” Dynamics Days Asia Pacific 4, p.81, Jul. 2006.

・Tomoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Shape Parameter Dependence of Emission Patterns from the Oval-Billiard Microcavity Laser Diodes ,” Dynamics Days Asia Pasific 4 , p.78, Jul. 2006.

・Makoto Taromaru, Hirofumi Aino (ATR/Doshisha Univ.), “Fast Periodic Antenna Switching for Diversity and Smart Antenna:On SNR Property and Spurious Response,” 2006 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , pp.4553-4556, Jul. 2006.

・Qing Han, Munehisa Yabuzaki (ATR/Tokyo Univ. of Sci.), Makoto Taromaru, Takashi Ohira, Masami Akaike (Tokyo Univ. of Sci.), “Radial Fed Circuit For Millimeter-Wave Switched Sector-Beam Antenna,” 2006 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , pp.3447-3450, Jul. 2006.

・Susumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “Highly Directional Emission in Stadium-Cavity Lasers,” 8th International Conference on Transparent Optical Networks, p.137, Jun. 2006.

・Yutaka Nakae, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Ring and Axis Mode Switching in Quasi-stadium Laser Diodes with Multi-electrodes,” 8th International Conference on Transparent Optical Networks, pp.132-133, Jun. 2006.

・Satoshi Sunada, Takahisa Harayama, “Sagnac Effect in Resonant Microcavities,” 8th International Conference on Transparent Optical Networks, p.92, Jun. 2006.

・Takahiko Sasaki, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Locking of Two Modes and Unidirectional Beam Emission in Quasi-stadium Laser Diodes,” 8th International Conference on Transparent Optical Networks, pp.134-136, Jun. 2006.

・Tomoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Directional Emission Patterns from the Oval-Billiard Microcavity Laser Diodes,” 8th International Conference on Transparent Optical Networks , pp.121-123, Jun. 2006.

・Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Control of Directional Emission in Two-dimensional Quasi-Stadium Micro-Cavity Laser Diodes with Two-Electrodes,” 8th International Conference on Transparent Optical Networks (ICTON2006), pp.117-120, Jun. 2006.

・Takahisa Harayama , “Theory and Application of 2D Microcavity Lasers,” International Conference on the Frontiers of Nonlinear and Complex Systems , p.43 (abstruct), May. 2006.

・Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Mode Switching by Optical Injection in Tandem Quasi- Stadium Laser Diodes,” Conference on Laser and Electro-Optics/Quantum Electronics Laser Conference 2006 , JWB4, May. 2006.

・Thomas Hunziker, Makoto Taromaru, “An Adaptive Beamforming Scheme for Enhanced Cochannel Interference Mitigation on Short Array Signal Intervals,” IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), pp.IV1025-IV1028, May. 2006.

・hen Sun, Makoto Taromaru, Nemai Chandra Karmakar (Monash Univ.), “On the Combination of Receive Beamforming with Alamouti Decoders,” 2006 IEEE 63rd Vehicular Technology Conference, 7H-2, May. 2006.

・Hitoshi Shimizu, Shanmugam Saravanan, “Comparison of Buffer Material for InAs Quantum Dots on GaAs Substrate,” 2006 IEEE 18th International Conference on Indium Phosphide & Related Materials , pp.197-200, May. 2006.

・itoshi Shimizu, Shanmugam Saravanan, Junji Yoshida, Sayoko Ibe (Furukawa Elec.), Noriyuki Yokouchi (Furukawa Elec.), “Multilayered InAs Quantum Dot Lasers with Different Dot Density,” 2006 IEEE 18th International Conference on Indium Phosphide & Related Materials , pp.377-380, May. 2006.

・Shanmugam Saravanan, Hitoshi Shimizu, “Stacking of InAs/GaAs QDs with Less Strain by using Growth Interruption ,” The 2006 IEEE 18th Conference on Indium Phosphide and Related Materials , pp.204-207, May. 2006.

上に戻る

2005年度

学術論文

・Chulgyun Park (Tokyo Inst. of Tech.), Jun-ichi Takada (Tokyo Inst. of Tech.), Kei Sakaguchi (Tokyo Inst. of Tech.), Takashi Ohira, “Spatial Fading Simulator Using a Cavity-Excited Circular Array (CECA) for Performance Evaluation of Antenna Arrays,” IEICE Transactions on Communications, Vol.E89-B, No.3, pp.906-913, Mar. 2006.

・Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, Jan Wiersig (Univ. of Bremen), “Ray-Wave Correspondence in an Unstable Quasi-Stadium Laser Resonator,” Physical Review A, Vol.73, pp.023816, Jan. 2006.

・Kyouichi Iigusa, Takashi Ohira, Bokuji Komiyama, “An Electronically Invisible Dipole Loaded with a Variable Reactor and Its Applications for a Reconfigurable Antenna,” Electronics and Communications in Japan, Part 1, Vol.89, No.3, pp.21-35, Jan. 2006.

・Shanmugam Saravanan, Hitoshi Shimizu, “Long Wavelength and Narrow Photoluminescence Linewidth from InAs Quantum Dots with GaAs Cap Layer on GaAs (100) Substrate,” Journal of Crystal Growth, Vol.289, pp.14-17, Dec. 2005.

・Eddy Taillefer, Akifumi Hirata, Takashi Ohira, “Reactance-Domain ESPRIT Algorithm for a Hexagonally Shaped Seven-Element ESPAR Antenna,” IEEE Transactions on Antennas and Propagation, Vol.53, No.11, pp.3486-3495, Nov. 2005.

・Kyouichi Iigusa , Takashi Ohira, Bokuji Komiyama, “An Equivalent Weight Vector Model of Array Antennas Considering Current Distribution along Dipole Elements,” Electronics and Communications in Japan, Part 1, Vol.89, No.2, pp.22-35, Oct. 2005.

・青野 智之, 樋口 啓介, 大平 孝, 小宮山 牧兒, 笹岡 秀一 (同志社大), “エスパアンテナを用いたIEEE802.15.4無線秘密鍵共有システム,” 電子情報通信学会論文誌B, Vol.J88-B, No.9, pp.1801-1812, Sept. 2005.

・Masahiro Ogusu (Toshiba), Keizo Inagaki, Takashi Ohira, Ichiro Ogura (NEC), Hiroyuki Yokoyama (Tohoku Univ.), “Millimeter-wave WDM Sources using Two-mode Injection-locked FP Lasers,” Optics Communications, Vol.251, Issue1-3, pp.75-93, Jul. 2005.

・Akifumi Hirata, Eddy Taillefer, Tomoyuki Aono, Hiroyoshi Yamada (ATR/Niigata Univ.), Takashi Ohira, “Reactance-Domain SSP MUSIC for DOA Estimation of Coherent Waves with a Seven-Element Circular ESPAR Antenna,” Electronics and Communications in Japan, Part 1, Vol.88, No.12, pp.40-49, Jun. 2005.

・Takahisa Harayama, Satoshi Sunada, Kensuke Ikeda (Ritsumeikan Univ.), “Theory of Two-dimensional Microcavity Lasers,” Physical Review A, Vol.72, pp.013803, Jun. 2005.

・Qing Han, Brett Hanna (Startronics), Takashi Ohira, “A Compact Espar Antenna with Planar Parasitic Elements on a Dielectric Cylinder,” IEICE Transactions on Communications, Vol.E88-B, No.6, pp.2284-2290, Jun. 2005.

・Satoshi Sunada, Takahisa Harayama, Kensuke Ikeda (Ritsumeikan Univ.), “Multiple-mode Lasing in Two-dimensional Fully Chaotic Cavity Lasers,” Physical Review E, Vol.71, pp.046209, Apr. 2005.

・Haruo Kawakami (Antenna Giken), Takashi Ohira, “Electrically Steerable Passive Array Radiator (ESPAR) Antennas,” IEEE Antennas and Propagation Magazine, Vol.47, No.2, pp.43-50, Apr. 2005.

・飯草 恭一, 大平 孝, 小宮山 牧兒, “可変リアクタ装荷ダイポールの電気的透明化とリコンフィギュラブルアンテナへの応用,” 電子情報通信学会論文誌B, Vol.J88-B, No.4, pp.771-784, Apr. 2005.

国際会議

・Shanmugam Saravanan, Hitoshi Shimizu, Pablo Vaccaro, “Long Wavelength Photoluminescence Emission from InAs Quantum Dots Embedded in GaAs Matrix ,” SPIE Microelectronics, MEMS, and Nanotechnology 2005, Vol.6038, pp.603807-1-603807-6, Dec. 2005.

・Qing Han, Takashi Ohira, “Statistical Evaluation of ESPAR Antennas and Adaptive Beamforming Performance Prediction Using Extracted Parameters of an ESPAR Antenna,” Asia-Pacific Microwave Conference 2005, Sesstion W12, Dec. 2005.

・Yuusuke Yamauchi (Sophia Univ.), Yasumasa Kawakita (Sophia Univ.), Satoshi Okamoto (Sophia Univ.), Junji Yoshida, Kazuhiko Shimomura (Sophia Univ.), “Size and Density Control of InAs Quantum Dots by Selective MOVPE Growth Employing Stripe Mask Array and Composition-Varied GaInAs Layer,” The 18th Annual Meeting of the IEEE Lasers & Electro-Optics Society, pp.613-614 (WT3), Oct. 2005.

・Makoto Taromaru, Takashi Ohira, “Electronically Steerable Parasitic Array Radiator Antenna: -Principle, Control Theory and Its Applications-,” 28th General Assembly of International Union of Radio Science , C02.1 (01431), Oct. 2005.

・Yukihiro Kamiya (ATR/TUAT), Takashi Ohira, “A New Concurrent Reactance- and Time-domain Signal Processing Approach for the ESPAR Antenna for M-ary/SS Systems ,” 28th General Assembly of International Union of Radio Science, C02.2 (01181), Oct. 2005.

・Qing Han, Atsushi Shimura (ATR/Tokyo Univ. of Sci.), Keizo Inagaki, Takashi Ohira, Masami Akaike (Tokyo Univ. of Sci.), “A GaAs Monolithic Anti-Series Varactor Pair for Voltage-Controlled Capacitance with Reduced RF Nonlinearity,” European Gallium Arsenide and other Compound Semiconductors Application Symposium 2005, pp.609-612, Oct. 2005.

・Mickael Pencole, Eddy Taillefer, Tatsuya Shimizu, Makoto Taromaru, “Direction-of-Arrival Estimation of Highly Correlated Signals by Applying Forward-Backward Averaging to the ESPRIT Algorithm for 7-element ESPAR Antenna,” European Conference on Wireless Technology, pp.55-58, Oct. 2005.

・Tomoyuki Aono, Keiesuke Higuchi, Makoto Taromaru, Takashi Ohira, Hideichi Sasaoka (Doshisha Univ.), “Wireless Secret Key Generation Exploiting the Reactance-domain Scalar Response of Multipath Fading Channels: RSSI Interleaving Scheme,” European Conference on Wireless Technology 2005, pp.173-176, Oct. 2005.

・Takuma Sawaya, Yoshiharu Okamoto (NICT), Kyouichi Iigusa, Makoto Taromaru, Takashi Ohira, “Consecutive Radio-Zone DSRC System with an In-Vehicle Reactance Diversity Antenna,” 8th International IEEE Conference on Intelligent transportation Systems, pp.149-154, Sept. 2005.

・Chen Sun, Thomas Hunziker, Makoto Taromaru, “Employing Directional Antennas in Double Directional Radio Channel,” 2nd International Symposium on Wireless Communication Systems 2005, WS6-1, Sept. 2005.

・Makoto Taromaru, Takashi Ohira, Makoto Yamamoto, Kyouichi Iigusa, “Reactance Diversity Antenna for Indoor Reception of Terrestrial Digital TV Broadcasting,” 10th International Symposium on Microwave and Optical Technology, pp.566-569, Aug. 2005.

・Tomoshige Furuhi (Murata Manufacturing), Osamu Shibata (Murata Manufacturing), Akifumi Hirata, Makoto Taromaru, Takashi Ohira, “Doppler-Based DOA Estimation with an ESPAR Antenna Operated on Cyclically Controlled Reactances,” The 2005 International Syposium on Antennas and Propagation, pp.321-324, Aug. 2005.

・Norihiko Kamata (Univ. of Saitama), Shanmugam Saravanan, J. M. Zanardi Ocampo, Pablo Vaccaro, Yasuhiko Arakawa (Tokyo Univ.), “Nonradiative Centers in InAs Quantum Dots Revealed by Two-wavelength Excited Photoluminescence ,” The 23th International Conference on Defects in Semiconductors , Vol. 376-377 pp.849-852, Jul. 2005.

・Hitoshi Shimizu, Shanmugam Saravanan, “InAs Quantum Dot Lasers on GaAs Substrate with 12 Layers,” Pacific Rim Conference on Lasers and Electro-Optics 2005, CTuJ1-2, Jul. 2005.

・Chen Sun, Akifumi Hirata, Tatsuya Shimizu, Takashi Ohira, “Sectorized Calibration of an ESPAR Antenna for CUBA-MUSIC Direction of Arrival Estimation,” 2005 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , s107p04a, Jul. 2005.

・Kyouichi Iigusa, Makoto Yamamoto, Takuma Sawaya, Kouji Kato (ATR/Kyushu Sangyo Univ.), Makoto Taromaru, Takashi Ohira, “RF-and DC-line Share Ring Frequency Controllable Antenna,” 2005 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , sp48p06a, Jul. 2005.

・Takahisa Harayama , “Theory and Application of 2D Microcavity Lasers,” 6th International Summer School and Conference “Let’s Face Chaos through Nonlinear Dynamics” , p.43 (Invited), Jun. 2005.

・Thomas Hunziker, Makoto Taromaru, “Maximum-Likelihood Decoding of Array Signals With Block-Wise Gaussian Cochannel Interference,” 2005 IEEE Communication Theory Workshop, スライド, Jun. 2005.

・Susumu Shinohara, Satoshi Sunada, Takahisa Harayama, Kensuke Ikeda (Ritsumeikan Univ.), “Mode dynamics in 2D microcavity lasers,” 2005 SIAM Conference on Applications of Dynamical Systems, PP0 (pp.193), May. 2005.

・Susumu Shinohara, “The Diagram for Shearless Torus Breakup and Separatrix Reconnection in the Quadratic Nontwist Map,” 2005 SIAM Conference on Applications of Dynamical Systems, MS48 (pp.139-140), May. 2005.

・Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Unidirectional Beam Emission from Confocal Quasi-Stadium Laser Diodes,” Conference on Lasers and Electro-Optics/Quantum Electronics & Laser Conference 2005 , CMFF6, May. 2005.

上に戻る

2004年度

学術論文

・飯草 恭一, 大平 孝, 小宮山 牧兒, “エスパアンテナの等価ステアリングベクトルモデルと構造パラメータ抽出法,” 電子情報通信学会論文誌B, Vol.J88-B, No.1, pp.291-309, Jan. 2005.

・Chen Sun, Nemai Chandra Karmakar (Monash Univ.), “Direction of Arrival Estimation Based on a Single Port Smart Antenna Using MUSIC Algorithm with Periodic Signals,” International Journal of Signal Processing, Vol.1, No.2, pp.153-162, Dec. 2004.

・Takashi Ohira, Kyouichi Iigusa, “Electronically Steerable Parasitic Array Radiator Antenna,” Electronics and Communications in Japan, Part 2, Vol.87, No.10, pp.25-45, Oct. 2004.

・平田 明史, Eddy Taillefer, 青野 智之, 山田 寛喜 (ATR/新潟大), 大平 孝, “7素子円形配列エスパアンテナを用いたリアクタンスドメイン空間平均MUSIC法によるコヒーレント波の到来方向推定,” 電子情報通信学会論文誌B, Vol.J87-8, No.9, pp.1405-1413, Sept. 2004.

・鈴木 義則 (NTT未来ねっと研究所), 今泉 豊 (NTT未来ねっと研究所), 荒木 克彦 (NTT未来ねっと研究所), 大平 孝, 石塚 文則 (NTTエレクトロニクス), “技術試験衛星8型搭載フェーズドアレー給電反射鏡アンテナ用独立指向方向制御型ビーム形成装置,” 電子情報通信学会論文誌B, Vol.J87-B, No.8, pp.1053-1062, Aug. 2004.

国際会議

・Chen Sun, Nemai Chandra Karmakar (Monash Univ.), “Combining Beamforming with MMSE Alamouti Multiuser Interference Cancellation Receiver,” 4th IEEE Symposium on Signal Processing and Information Technology (ISSPIT2004), pp. 254-257, Dec. 2004.

・Kyouichi Iigusa, Takashi Ohira, Bokuji Komiyama, “Electrically-Invisible Parasitic Dipoles for Reconfigurable Array Antennas,” Asia Pacific Microwave Conference 2004, Session E8-6, Dec. 2004.

・Mathieu Lenoble, Thomas Hunziker, Tomoyuki Aono, Takashi Ohira, “A Practical Medium Access Scheme for Wireless Ad Hoc Networks Employing ESPAR Antennas,” European Conference on Wireless Technology, pp.297-300, Oct. 2004.

・Tomoyuki Aono, Takashi Itoh (ATR/TLC), Takashi Ohira, Hideichi Sasaoka (Doshisha Univ.), “Anti-Eavesdrop Secret Key for Wireless Communications,” 2004 International Symposium on Antennas and Propagation, Proceedingsなし, Aug. 2004.

・Yoshihiko Ogawa (ATR/Doshisha Univ.), Akifumi Hirata, Hiroyoshi Yamada(ATR/Nigata Univ.), Takashi Ohira, “Experiment of DOA Estimation with RD-CUBA-MUSIC Using 7-element ESPAR Antennas,” 2004 International Symposium on Antennas and Propagation, pp.1309-1312, Aug. 2004.

・Masami Akaike (Tokyo Univ. of Sci.), Takashi Ohira, Keizo Inagaki, Qing Han, “Numerical Analysis of Nonlinear Distortion Generated from Anti-Series Schottky-Barrier Diode Pair,” 2004 International Symposium on Signals Systems, and Electronics, IS-0185, Aug. 2004.

・Susumu Shinohara, “Mode Dynamics in 2D Microcavity Lasers,” Dynamics Days Asia Pacific 3, p.72, Jun. 2004.

・Satoshi Sunada, “Stable Lasing and Instability in Stadium-shaped Cavity Lasers,” Dynamics Days Asia Pacific 3, p.71, Jun. 2004.

上に戻る


ATR 波動工学研究所