Fast and slow light in microsphere resonators

• Project/Area Number: 19340111
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: 原子・分子・量子エレクトロニクス・プラズマ
• Research Institution: Shizuoka University
• Principal Investigator: TOMITA Makoto Shizuoka University, 創造科学技術大学院, 教授 (70197929)
• Co-Investigator(Kenkyū-buntansha): 戸塚 弘毅 創造科学技術大学院, COE特別研究員 (30422744)
• Project Period (FY): 2007 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000); Fiscal Year 2009: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000); Fiscal Year 2008: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2007: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
• Keywords: 微小球microsphere / 分散dispersion / 遅い光slow light / 速い光fast light / 共振器誘起透明化Coupled Resonator Induced Transparency) / 速い光 / 遅い光 / 微小球 / 群速度 / Q値

Research Abstract

微小球共振器は、球の表面近傍に存在する"ささやきの回廊"とよばれる軌道に光を閉じ込める。これらの共鳴モードは球と相互作用する光の位相を大きく変調し、分散による光の伝播制御や、さらには、光の凍結に大きな可能性を持っている。本研究では、外部光と微小球の結合の強さを制御することで、単一のシステムで速い光と遅い光の両者を観測することに成功した。また、結合共振器系では、電磁気学的誘起透明化現象の古典的なアナログ現象に対応する風変わりなスペクトル構造とそれに対応した分散構造が現れることを明らかにした。

Research Products

• [Journal Article] 光のアンーソン局在の新しい展開 (2010)
  • Author(s): 冨田誠
  • Journal Title: 光学 8(掲載確定)
  • Peer Reviewed
• [Journal Article] Tunable Fano interference effect in coupled-microspheres resonator-induced transparency (2009)
  • Author(s): Makoto Tomita, Kouki Totsuka, Ryosuke Hanamura, Takahiro Matsumoto
  • Journal Title: Journal of Optical Society of America B26 Pages: 813-818
  • Peer Reviewed
• [Journal Article] Observation of normal and anomalous dispersions in a microsphere taper fiber system (2009)
  • Author(s): Makoto Tomita, Masayuki Okishio, Takahiro Matsumoto, Kouki Totsuka
  • Journal Title: Journal of Physical Society of Japan 78
  • NAID: 110007138839
  • Peer Reviewed
• [Journal Article] "結合微小球共振器にあらわれる遅い光と速い光"特集-スローライトと光バッファメモリ (2009)
  • Author(s): 冨田誠
  • Journal Title: レーザー研究 37 Pages: 585-590
  • Peer Reviewed
• [Journal Article] 不透明な物質をくぐり抜ける整形された光 (2009)
  • Author(s): J. MIllar, 冨田誠訳
  • Journal Title: パリティ 24 Pages: 18-20
  • NAID: 40016411824
  • Peer Reviewed
• [Journal Article] 結合微小球共振器にあらわれる遅い光と速い光 (2009)
  • Author(s): 冨田誠
  • Journal Title: レーザー研究 37 Pages: 85-590
  • NAID: 10025078450
  • Peer Reviewed
• [Journal Article] 不透明な物質をくぐり抜ける整形された光 (2009)
  • Author(s): J.MIllar, 冨田誠
  • Journal Title: パリティ 24 Pages: 18-20
  • NAID: 40016411824
• [Journal Article] Tunable Fano interference effect in coupled-microspheres resonator-induced transparency (2009)
  • Author(s): 冨田誠
  • Journal Title: Journal of Optical Society of America B26 Pages: 813-818
  • Peer Reviewed
• [Journal Article] Tunable Fano interference effect in coupled-microspheres resonator-induced transparency (2009)
  • Author(s): Makoto Tomita
  • Journal Title: Journal of Optical Society of America 26 Pages: 813-818
  • Peer Reviewed
• [Journal Article] Observation of normal and anomalous dispersions in a microsphere taper fiber system (2009)
  • Author(s): Makoto Tomita
  • Journal Title: Journal of Physical Society of Japan 78 Pages: 35001-35001
  • NAID: 110007138839
  • Peer Reviewed
• [Journal Article] Determining the physisorption energies of molecules on graphene nanostructures by measuring the stochastic emission-current fluctuation (2008)
  • Author(s): Takahiro Matsumoto, Yoichiro Neo, Hidenori Mimura, Makoto Tomita
  • Journal Title: Physical Review E 77 Pages: 31611-31611
  • Peer Reviewed
• [Journal Article] Depth profiling the whispering gallery modes in TiO2:Eu3+ microspheres using cathode Luminescence (2008)
  • Author(s): Makoto Tomita, Hiroshi Ikari, Hidenori Mimura, Takahiro Matsumoto
  • Journal Title: Optics Letters 33 Pages: 336-338
  • Peer Reviewed
• [Journal Article] Fluorescence MDR features of Eu-doped TiO2 microspheres (2008)
  • Author(s): H. Ikari, K. Okanishi, M. Tomita, T. Ishidate
  • Journal Title: Optical Materials 30 Pages: 1323-1326
  • Peer Reviewed
• [Journal Article] Determining the physisorption energies of molecules on graphene nanostructures by measuring the stochastic emission-current fluctuation (2008)
  • Author(s): Takahiro Matsumoto
  • Journal Title: Physical Review E 77 Pages: 31611-31611
  • Peer Reviewed
• [Journal Article] Depth profiling the whispering gallery modes in TiO2 : Eu3+ microspheres using cathode Luminescence (2008)
  • Author(s): Makoto Tomita
  • Journal Title: Optics Letters 33 Pages: 336-338
  • Peer Reviewed
• [Journal Article] Fluorescence MDR features of Eu-doped TiO2 microspheres (2008)
  • Author(s): H. Ikari
  • Journal Title: Optical Materials 30 Pages: 1323-1326
  • Peer Reviewed
• [Journal Article] Determining the physisorption energies of molecules on grapheme nanostructures by measuring the stochastic emission-current fluctuation (2008)
  • Author(s): Takahiro Matsumoto, Yoichuo Neo, Hidenori Mimura, Makoto Tomita
  • Journal Title: Physical Review E 77
  • Peer Reviewed
• [Journal Article] Depth profiling the whispering gallery modes in TiO2:Eu3+microspheres using cathode luminescence (2008)
  • Author(s): Tomita, Makoto;Ikari, Hiroshi;Mimura, Hidenori;Matsumoto, Takahiro
  • Journal Title: Optics Letters 33 Pages: 336-338
  • Peer Reviewed
• [Journal Article] Optical microsphere amplification system (2007)
  • Author(s): Kouki Totsuka, Makoto Tomita
  • Journal Title: Optics Letters 21 Pages: 3197-3199
  • Peer Reviewed
• [Journal Article] Slow light in coupled-resonator induced transparency (2007)
  • Author(s): Kouki Totsuka, Norihiko Kobayashi, Makoto Tomita
  • Journal Title: Physical Review Letters 98 Pages: 213904-213904
  • NAID: 120000794932
  • Peer Reviewed
• [Journal Article] Dynamic pulse splitting in microsphere-optical fiber system on the critical coupling condition (2007)
  • Author(s): Kouki Totsuka, Makoto Tomita
  • Journal Title: Physical Review E 75 Pages: 16610-16610
• [Journal Article] Stabilization of electron emission from nanoneedles with two dimensional graphene sheet s tructure in a high residual pressure region (2007)
  • Author(s): Takahiro Matsumoto, Yoichiro Neo, Hidenori Mimura, Makoto Tomita, Nariyuki Minami Applied
  • Journal Title: Physics. Letters 90 Pages: 103516-103516
  • Peer Reviewed
• [Journal Article] Propagation of the centroid of arbitrary pulses through angularly dispersive systems (2007)
  • Author(s): Aminul Talukder, Shugo Kawakita, Makoto Tomita
  • Journal Title: Journal of Optical Society of America B 24 Pages: 1406-1409
  • Peer Reviewed
• [Journal Article] Slow light in coupled-resonator induced transparency (2007)
  • Author(s): Kouki Totsuka, Norihiko Kobayashi and Makoto Tomita
  • Journal Title: Physical Review Letters 98
  • NAID: 120000794932
  • Peer Reviewed
• [Journal Article] Dynamics of fast and slow pulse propagation through a microsphere-optical-fiber system (2007)
  • Author(s): Kouki Totsuka, Makoto Tomita
  • Journal Title: Physical Review E 75
  • NAID: 120000795097
  • Peer Reviewed
• [Journal Article] Stabilization of electron emission from nanoneedles with two dimensional graphene sheet structure in a high residual pressure region (2007)
  • Author(s): Takahiro Matsumoto, Yoichiro Neo, Hidenori Mimura, Makoto Tomita, Nariyuki Minami
  • Journal Title: Applied.Physics.Letters 90 Pages: 103516-103518
  • Peer Reviewed
• [Journal Article] Optical microsphere amplification system (2007)
  • Author(s): Kouki Totsuka, Makoto Tomita
  • Journal Title: Optics Letters 32 Pages: 3197-3199
  • Peer Reviewed
• [Presentation] リング共振器に現れる Fano 干渉における非対称性パラメーター (2010)
  • Author(s): 海老原英紀
  • Organizer: 日本物理学会
  • Place of Presentation: 岡山大学
  • Year and Date: 2010-03-20
• [Presentation] Observation of Slow Light in Coupled-Resonator-Induced Transparency (2008)
  • Author(s): K. Totsuka
  • Organizer: CLEO/QELS 2008
  • Place of Presentation: USA San Jose
  • Year and Date: 2008-05-08
• [Presentation] Observation of slow and fast light in microsphere-optical fiber system (2007)
  • Author(s): Kouki Totsuka, Makoto Tomita
  • Organizer: Quantum electronics and laser science conference QELS
  • Place of Presentation: Baltimore USA
  • Year and Date: 2007-05-04