Strong coupling of heavy- and light-hole excitons induced by many-body correlations

T. Meier, S. W. Koch, Mark Phillips, Hailin Wang

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

The differential absorption of a GaAs single quantum well is studied for resonant pumping at either the heavy- or light-hole exciton resonances using different polarization configurations. For all excitation conditions the observed spectra show bleaching of both excitons, revealing strong coupling between the heavy- and light-hole excitons. Microscopic calculations which include four-particle correlations representing the various two-exciton states qualitatively reproduce the experimental findings. A mixed heavy-hole-light-hole biexciton is also clearly identified as an induced resonance in a GaAs system.

Original languageEnglish (US)
Pages (from-to)12605-12608
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume62
Issue number19
DOIs
StatePublished - Nov 15 2000

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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