Effect of interparticle interactions on radiative lifetime of photoexcited electron-hole system in GaAs quantum wells

  • L. V. Kulik
  • A. I. Tartakovskii
  • A. V. Larionov
  • E. S. Borovitskaya
  • V. D. Kulakovskii
Solids

Abstract

The paper reports on an investigation of changes in the photoluminescence linewidth and lifetime of excitons and electron-hole plasma over a wide range of densities between 3×107 and 3×1012 cm−2 at a temperature of 77 K in GaAs/AlGaAs quantum wells. The roles played by thermal ionization of excitons at low densities of nonequilibrium carriers, exciton-exciton and exciton-electron collisions, and ionization of excitons at high pumping power densities have been studied.

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Copyright information

© American Institute of Physics 1997

Authors and Affiliations

  • L. V. Kulik
    • 1
  • A. I. Tartakovskii
    • 1
  • A. V. Larionov
    • 1
  • E. S. Borovitskaya
    • 1
  • V. D. Kulakovskii
    • 1
  1. 1.Institute of Solid State PhysicsRussian Academy of SciencesChernogolovka, Moscow RegionRussia

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