渡邉紳一　個人ページ

（2011年度以降はこちらへ。）
  • R. Shimano, T. Ogawa, and S. Watanabe
    (Poster) "Terahertz frequency electro-optic modulation in carbon nanotubes."
    The 35th International Conference on Infrared, Millimeter and THz Waves (IRMMW-THz 2010), Rome, Italy (2010. 9.).
  • S. Watanabe, R. Kondo, S. Kagoshima, and R. Shimano
    (Oral) "Direct observation of photo-induced spin-density-wave gap closing and recovery in (TMTSF)2PF6 by terahertz time-domain spectroscopy."
    8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets (ISCOM2009), Niseko, Japan (2009. 9.).
  • S. Watanabe, R. Kondo, S. Kagoshima, and R. Shimano
    (Poster) "Ultrafast terahertz probe of spin-density wave dynamics in organic conductor (TMTSF)2PF6."
    27th International Quantum Electronics Conference (IQEC09), Baltimore, USA (2009. 5.).
  • S. Watanabe, R. Kondo, S. Kagoshima, and R. Shimano
    (Invited Oral) "Spin-density-wave gap in (TMTSF)2PF6 probed by terahertz time domain spectroscopy."
    8th International Conference on Excitonic Processes in Condensed Matter (EXCON'08), Kyoto, Japan (2008. 6.).
  • S. Watanabe, and R. Shimano
    (Oral) "Very compact THz-TDS imaging system with diffraction limited spatial resolution."
    Joint 32nd International Conference on Infrared & Millimetre Waves and 15th International Conference on Terahertz Electronics (IRMMW-THz), Cardiff, UK (2007. 9.).
  • E. Pelucchi, S. Watanabe, K. Leifer, Q. Zhu, B. Dwir, P. D. L. Rios, and E. Kapon
    (Oral) "Exploiting surface diffusion processes for tunable quantum confinement in site-controlled pyramidal quantum dots grown by MOVPE."
    16th American Conference on Crystal Growth and Epitaxy, ACCGE-16, Montana, USA (2005. 7.).
  • E. Pelucchi, S. Watanabe, K. Leifer, Q. Zhu, B. Dwir, P. D. L. Rios, and E. Kapon
    (Poster) "Utilizing surface diffusion processes for quantum confi nement control in pyramidal quantum dots grown by MOVPE."
    11th European Workshop on Metalorganic Vapour Phase Epitaxy, Lausanne, Switzerland (2005.).
  • E. Pelucchi, S. Watanabe, K. Leifer, Q. Zhu, B. Dwir, M. H. Baier, A. Malko, and E. Kapon
    (Invited Oral) "OMCVD growth of III-V semiconductor ordered nanostructures in pre-patterned inverted pyramidal recesses."
    Journees Systemes Infinis, Cachen, France (2005. 3.).
  • E. Pelucchi, S. Watanabe, A. Malko, M. H. Baier, K. Leifer, B. Dwir, and E. Kapon
    (Invited Oral) "Pyramidal Quantum Dots: Seeded Self-Ordering by OMCVD on Patterned Substrates."
    14th International Conference on Crystal Growth (ICCG14), Grenoble, France (2004. 8.).
  • K. Leifer, F. Bobard, F. Michelini, E. Pelucchi, S. Watanabe, B. Dwir, and E. Kapon
    (Oral) "Refi ning TEM and cathodoluminescence to evaluate the structure of pyramid quantum dots."
    13th European Microscopy congress (EMC2004), Antwarp, Belgium (2004. 8.).
  • S. Watanabe, E. Pelucchi, K. Leifer, B. Dwir, and E. Kapon
    (Oral) "Perfectly site-controlled multi-colored semiconductor quantum dots grown in inverted pyramids."
    8th International Conference on Nanometer-Scale Science and Technology (NANO-8), Venice, Italy (2004. 7.).
  • E. Pelucchi, S. Watanabe, A. Malko, M. H. Baier, K. Leifer, B. Dwir, A. Rudra, and E. Kapon
    (Oral) "Advancements in the growth and applications of Pyramidal Quantum Dots."
    12th International Conference on Metal Organic Vapor Phase Epitaxy ICMOVPE XII, Hawaii, USA (2004. 5-6.).
  • S. Watanabe, E. Pelucchi, K. Leifer, B. Dwir, and E. Kapon
    (Oral) "Simultaneous control of position and emission energy of semiconductor quantum dots."
    Conference on Laser and Electro Optics (CLEO), San Francisco, USA (2004. 5.).
  • E. Pelucchi, S. Watanabe, K. Leifer, B. Dwir, and E. Kapon
    (Oral) "Pyramidal Quantum Dots: a Unique and Versatile System to Achieve Full Control over both Position and Electronic Properties."
    Quantum Dots Conference QD2004, Banff, Canada (2004. 5.).
  • M. Baier, F. Michelini, A. Malko, S. Watanabe, E. Pelucchi, M.-A. Dupertuis, and E. Kapon
    (Poster) "Theoretical studies of pyramidal quantum dots . energy levels and exciton dynamics."
    13th International Winterschool on New Developments in Solid State Physics low-dimensional systems, Mauterndorf, Austria (2004. 2.).
  • E. Pelucchi, S. Watanabe, B. Dwir, K. Leifer, and E. Kapon
    (Oral) "Site-Controlled Quantum Dots Grown in Inverted Pyramids for photonic crystal applications."
    5th International Workshop on Epitaxial Semiconductors on Patterned Substrates and Novel Index Surfaces, Stuttgard, Germany (2003. 10.).
  • S. Watanabe, E. Pelucchi, B. Dwir, M. Baier, K. Leifer, and E. Kapon
    (Oral) "Dense Arrays of Site-Controlled Semiconductor Quantum Dots Grown in Inverted Pyramids."
    11th International Conference on Modulated Semiconductor Structures (MSS11), Nara, Japan (2003. 7.).
  • E. Pelucchi, S. Watanabe, B. Dwir, K. Leifer, and E. Kapon
    (Poster) "Dense Arrays of Semiconductor Quantum Dots with Controlled Positions Grown in Inverted Pyramids."
    10th European Workshop on metallorganic vapour phase epitaxy, Lecce, Italy (2003. 6.).
  • M. Baier, S. Watanabe, E. Pelucchi, E. Kapon, S. Varoutsis, M. Gallart, I. Robert-Philip, and I. Abram
    (Oral) "Single-photon emission from highly uniform site-controlled semiconductor quantum dots."
    11th Quantum Electronics and Laser Science Conference (QELS 2003), Baltimore, USA (2003. 5.).
  • E. Pelucchi, M. Baier, S. Watanabe, Y. Ducommun, F. Michelini, M.-A. Dupertuis, B. Dwir, and E. Kapon
    (Oral) "High-Quality InxGa1-xAs/Al0.30Ga0.70As Quantum Dots Grown in Inverted Pyramids."
    2nd. International Conference on Semiconductor Quantum Dots, Tokyo, Japan (2002. 9.).
  • M. Baier, S. Watanabe, Y. Ducommun, E. Pelucchi, A. Rudra, and E. Kapon
    (Oral) "Tuning the emission energy of InxGa1-xAs/AlyGa1-yAs quantum dots grown in inverted pyramids."
    7th International Conference on Nanometer-scale Science and Technology, 21st European conference on Surface Science, Malmo, Sweden (2002. 6.).
  • S. Watanabe, S. Koshiba, M. Yoshita, H. Sakaki, M. Baba, and H. Akiyama
    (Poster) "Vertically polarized lasing and photoluminescence in crescent-shaped quantum wires."
    26th International Conference on the Physics of Semiconductors, Edinburg, UK (2002.7.29.-2002.8.2.).
  • Y. Hayamizu, L. N. Pfeiffer, M. Yoshita, S. Watanabe, A. Pinczuk, K. W. West, K. W. Baldwin, T. Unuma, and H. Akiyama
    (Oral) "Grand state lasing in a high quality single quantum wire."
    26th International Conference on the Physics of Semiconductors, Edinburg, UK (2002.7.29.-2002.8.2.).
  • Y. Takahashi, S. Watanabe, M. Yoshita, H. Akiyama, L. N. Pfeiffer, K. W. West, and A. Pinczuk
    (Oral) "Microscopic Imaging of emission patterns in T-shaped quantum wire lasers."
    Quantum Electronics and Laser Science (QELS) Conference 2002, Long Beach, USA (2002. 5.).
  • S. Watanabe, S. Koshiba, M. Yoshita, M. Baba, H. Sakaki, and H. Akiyama
    (Poster) "The optical polarization properties of lasing and photoluminescence in ridge quantum wire laser structures."
    Quantum Electronics and Laser Science (QELS) Conference 2001, Baltimore, USA (2001. 5.).
  • S. Watanabe, S. Koshiba, M. Yoshita, M. Baba, H. Sakaki, and H. Akiyama
    (Invited Poster) "Temperature dependence of carrier migration in ridge-shaped quantum-wire laser structures."
    6th international symposium on advanced physical fi elds, Tsukuba, Japan (2001. 3.).
  • K. Watanabe, S. Tsukamoto, Y. Imanaka, T. Takamasu, G. Kido, Y. Gotoh, N. Koguchi, M. Yoshita, S. Watanabe, and H. Akiyama
    "Effects of Post-Annealing on Photoluminescence Properties of GaAs Quantum Dots Grown by Droplet Epitaxy."
    MRS:Boston(USA), Boston, USA (2000. 11.).
  • T. Mano, S. Tsukamoto, N. Koguchi, S. Watanabe, M. Yoshita, H. Akiyama, K. Ono and M. Oshima
    "Photoluminescence properties of InGaAs quantum dots fabricated by HDE method."
    MRS:Boston(USA), Boston, USA (2000. 11.).
  • S. Koshiba, Y. Nakamura, T. Noda, S. Watanabe, H. Akiyama, and H. Sakaki
    "Transformation of GaAs (001)-(111)B facet structure by surface diffusion during molecular beam epitaxy on patterned substrates."
    11th International Conference on Molecular Beam Epitaxy (MBE-XI), Beijing, China (2000. 9.).
  • S. Watanabe, S. Koshiba, M. Yoshita, H. Sakaki, M. Baba, and H. Akiyama
    (Oral) "Imaging characterization for lasing and luminescence in ridge quantum wire structures."
    Quantum Electronics and Laser Science (QELS) Conference '99, Baltimore, USA (1999.5.23-28).
  • S. Koshiba, S. Watanabe, Y. Nakamura, I. Tanaka, T. Noda, T. Ngo, M. Yoshita, M. Baba, H. Akiyama, and H. Sakaki
    "Fabrication and Control of GaAs/AlAs 10 nano-meter scale Structure by MBE."
    MRS-J, Kanagawa, Japan (1999.).
  • S. Koshiba, S. Watanabe, Y. Nakamura, M. Yamauchi, M. Yoshita, M. Baba, H. Akiyama, and H. Sakaki
    "Selective MBE Growth of GaAs/AlAs Ridge Structures Containing 10-nm Scale Wires and Side QWs and Their Stimulated Emission Characteristics."
    10th International Conference on Molecular Beam Epitaxy (MBE-X), Cannes, France (1998. 9.).

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