Exciton formation in semiconductors and the influence of a photonic environment

M. Kira, W. Hoyer, T. Stroucken, S. W. Koch

Research output: Contribution to journalArticle

95 Scopus citations

Abstract

A fully microscopic theory is presented for interacting electrons, holes, photons, and phonons in semiconductor heterostructures. The formation dynamics and statistics of incoherent excitons are analyzed for different densities, lattice temperatures, and photonic environments. Luminescence experiments are shown to depend strongly on the photonic environment in contrast to suggested terahertz absorption measurements. Whereas luminescence in free space is dominated by plasma contributions, terahertz absorption should be able to directly measure excitonic populations.

Original languageEnglish (US)
JournalPhysical review letters
Volume87
Issue number17
DOIs
StatePublished - Oct 3 2001

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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