Quantum optics, excitons, and degenerate-state excitation in semiconductor nanostructures

M. Kira, S. W. Koch

Research output: Contribution to journalArticle

Abstract

Using a fully microscopic theory it is shown that quantum-optical excitation can be used to generate excitons in quantum-degenerate population states. For the example of a thermal source it is shown that resonant excitation directly converts photons into excitons with effectively no center of mass momentum. The generated quantum-degenerate state possesses long-range order, is very stable against perturbations, and should be observable via its unusual directional and density dependence in luminescence measurements.

Original languageEnglish (US)
Pages (from-to)386-393
Number of pages8
JournalSuperlattices and Microstructures
Volume43
Issue number5-6
DOIs
StatePublished - May 1 2008

Keywords

  • Condensate
  • Excitons
  • Quantum optical spectroscopy
  • Quantum optics
  • Semiconductors

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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