Photoluminescence of single quantum wires and quantum dots

  • V. P. Kochereshko
  • V. N. Kats
  • A. V. Platonov
  • R. A. Suris
  • G. E. Cirlin
  • A. D. Buravlev
  • Yu. B. Samsonenko
  • L. Besombes
  • C. Le Gal
  • H. Mariette
Article

Abstract

The results of a study into the photoluminescence spectra of a set of quantum dots based on GaAs enclosed in AlGaAs nanowires are presented. The steady state and time resolved spectra of photoluminescence under optical excitation both from an array of quantum wires/dots and a single quantum wire/dot have been measured. In the photoluminescence spectra of single quantum dots, emission lines of excitons, biexcitons and tritons have been found. The binding energy of the biexciton in the studied structures was deduced to be 8 meV.

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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • V. P. Kochereshko
    • 1
    • 4
  • V. N. Kats
    • 1
    • 4
  • A. V. Platonov
    • 1
  • R. A. Suris
    • 1
  • G. E. Cirlin
    • 1
    • 2
  • A. D. Buravlev
    • 1
    • 2
  • Yu. B. Samsonenko
    • 1
    • 2
  • L. Besombes
    • 3
  • C. Le Gal
    • 3
  • H. Mariette
    • 3
  1. 1.Ioffe Physical-Technical InstituteSt.PetersburgRussia
  2. 2.St. Petersburg Physics and Technology Center for Research and EducationRussian Academy of SciencesSt. PetersburgRussia
  3. 3.CEA-CNRS Group “Nanophysigue et Semiconducteurs”CEA, INAC, SP2M, AND Institut NóelGrenobleFrance
  4. 4.Spin Optics LaboratorySt. Petersburg State UniversityPetrodvorets, Saint PetersburgRussia

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