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2011 Fiscal Year Final Research Report

Study on fabricating entangled photon sources which are highly tolerant to the structural fluctuation

Research Project

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Project/Area Number 21681020
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Microdevices/Nanodevices
Research InstitutionHokkaido University

Principal Investigator

KUMANO Hidekazu  北海道大学, 電子科学研究所, 准教授 (70292042)

Project Period (FY) 2009 – 2011
Keywords量子ディスク / 量子リング / もつれ合い光子源 / 形状揺らぎ / 微細構造分裂
Research Abstract

Suppression of the fine structure splitting(FSS) was carried out by controlling anisotropy of nanostructures with GaAs embedding and forming disk-like nanostructure by Indium-flash method. It is found that after optimizing conditions for each process and fabricating quantum disk structure, the FSS has successfully reduced from 100μeV down to 30μeV. Furthermore, the FSS has reduced as low as 5μeV by introducing quantum ring structure.

  • Research Products

    (15 results)

All 2011 2010 2009 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (6 results) Remarks (1 results)

  • [Journal Article] Characterization of two-photon polarization mixed states generated from entangled-classical hybrid photon source2011

    • Author(s)
      H. Kumano, K. Matsuda, S. Ekuni, H. Sasakura, and I. Suemune
    • Journal Title

      Opt. Express

      Volume: 19 Pages: 14249-14259

    • Peer Reviewed
  • [Journal Article] Enhanced photon generation in a Nb/n-InGaAs/p-InP superconductor/semiconductor-diode light emitting device2011

    • Author(s)
      H. Sasakura, S. Kuramitsu, Y. Hayashi, K. Tanaka, T. Akazaki, E. Hanamura, R. Inoue, H. Takayanagi, Y. Asano, C. Hermannstadter, H. Kumano, and I. Suemune
    • Journal Title

      Phys. Rev. Lett

      Volume: 107 Pages: 157403-1-5

    • Peer Reviewed
  • [Journal Article] Strongly suppressed multi-photon generation from a single quantum dot in a metal-embedded structure2011

    • Author(s)
      H. Nakajima, S. Ekuni, H. Kumano, Y. Idutsu, S. Miyamura, D. Kato, S. Ida, H. Sasakura, and I. Suemune
    • Journal Title

      phys. stat. sol(c)

      Volume: 8 Pages: 337-339

    • Peer Reviewed
  • [Journal Article] 量子情報通信のための単一光子・量子もつれ光子対光源2011

    • Author(s)
      末宗幾夫、熊野英和、笹倉弘理
    • Journal Title

      光学

      Volume: 40巻9号 Pages: 472-477

    • Peer Reviewed
  • [Journal Article] Quantum-dot-based photon emission and media conversion for quantum information applications2010

    • Author(s)
      H. Kumano, H. Nakajima, S. Ekuni, Y. Idutsu, H. Sasakura, and I. Suemune
    • Journal Title

      Adv. Math. Phys

      Pages: 391607-1-14

    • Peer Reviewed
  • [Journal Article] First-order photon interference of a single photon from a single quantum dot2010

    • Author(s)
      S. Ekuni, H. Nakajima, H. Sasakura, I. Suemune, and H. Kumano
    • Journal Title

      Physica

      Volume: E42 Pages: 2536-2539

    • Peer Reviewed
  • [Journal Article] A Cooper-Pair Light-Emitting Diode : Temperature Dependence of Both Quantum Efficiency and Radiative Recombination Lifetime2010

    • Author(s)
      I. Suemune, Y. Hayashi, S. Kuramitsu, K. Tanaka, T. Akazaki, H. Sasakura, R. Inoue, H. Takayanagi, Y. Asano, E. Hanamura, S. Odashima, and H. Kumano
    • Journal Title

      Appl. Phys. Express

      Volume: 3 Pages: 054001-1-4

    • Peer Reviewed
  • [Journal Article] Spin-flip quenching in trion state mediated by optical phonons in a single quantum dot2009

    • Author(s)
      H. Kumano, S. Ekuni, H. Kobayashi, H. Sasakura, I. Suemune, S. Adachi, and S. Muto
    • Journal Title

      phys. stat. sol(b)

      Volume: 246 Pages: 775-778

    • Peer Reviewed
  • [Presentation] Characterization of two-photon mixed states employed with polarization entangled-classical hybrid photon source2011

    • Author(s)
      K. Matsuda, H. Kumano, S. Ekuni, H. Sasakura, and I. Suemune
    • Organizer
      Quantum Information Processing and Communication
    • Place of Presentation
      Zurich, Switzerland
    • Year and Date
      20110905-09
  • [Presentation] Metal-embedded semiconductor single quantum dot as a novel highly pure single-photon source2011

    • Author(s)
      H. Nakajima, S. Ekuni, H. Kumano, Y. Idutsu, S. Ida, H. Sasakura, and I. Suemune
    • Organizer
      SPIE photonics west
    • Place of Presentation
      Moscone Convention Center, San Francisco, USA
    • Year and Date
      20110123-28
  • [Presentation] Quantum-dot single photon emitter of higher photon extraction efficiency and lower multiple-photon emission probability with metal-embedded structure2010

    • Author(s)
      H. Kumano, H. Nakajima, S. Ekuni, D. Kato, S. Miyamura, J. H. Huh, H. Sasakura, and I. Suemune
    • Organizer
      International Conference on Semiconductor Quantum Dots
    • Place of Presentation
      Nottingham, UK
    • Year and Date
      20100426-30
  • [Presentation] 量子リング構造における核磁場の双安定特性2009

    • Author(s)
      和田雅樹、笹倉弘理、熊野英和、末宗幾夫
    • Organizer
      秋季第70回応用物理学会学術講演会
    • Place of Presentation
      富山大学
    • Year and Date
      20090908-11
  • [Presentation] Conversion of Photon polarization and exciton spins in Semiconductor Quantum Dots2009

    • Author(s)
      H. Kumano
    • Organizer
      International Workshop on Photons and Spins in Nanostructures
    • Place of Presentation
      Hokkaido University, Sapporo, Japan
    • Year and Date
      20090727-28
  • [Presentation] Two-mode photon interference in a quantum-dot single photon emitter2009

    • Author(s)
      H. Kumano, H. Nakajima, S. Ekuni, H. Sasakura, and I. Suemune
    • Organizer
      International conference on Modulated Semiconductor Structures
    • Place of Presentation
      Kobe Kobe, Japan
    • Year and Date
      20090719-24
  • [Remarks]

    • URL

      http://nanophoto.es.hokudai.ac.jp/

URL: 

Published: 2013-07-31  

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