Plasmonic amplification of single exciton transitions in InGaN

  • A. A. ToropovEmail author
  • K. G. Belyaev
  • V. Kh. Kaibyshev
  • T. V. Shubina
  • V. N. Zhmerik
  • S. V. Ivanov
  • P. S. Kop’ev


An increase in the rate of spontaneous recombination of excitons localized in films of InGaN solid solution due to interaction with a plasmon localized in a gold nanoparticle was experimentally observed. The particle is positioned near the surface with the help of a near -field scanning optical microscope or in the result of chemical precipitation from a colloidal solution. Precise positioning of a plasmonic particle allows single excitons with 1—2 meV-wide radiation lines to be revealed and amplified.


Gold Nanoparticle Gold Particle Localize Exciton Solid Solution Composition Spontaneous Recombination 
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Copyright information

© Allerton Press, Inc. 2010

Authors and Affiliations

  • A. A. Toropov
    • 1
    Email author
  • K. G. Belyaev
    • 1
  • V. Kh. Kaibyshev
    • 1
  • T. V. Shubina
    • 1
  • V. N. Zhmerik
    • 1
  • S. V. Ivanov
    • 1
  • P. S. Kop’ev
    • 1
  1. 1.Ioffe Physicotechnical InstituteRussian Academy of SciencesSt. PetersburgRussia

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