Mechanisms of polariton stimulation in a microcavity

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Abstract

We report on an experimental study of the mechanisms of stimulated emission from cavity polariton states of CdTe-based quantum well microcavities. We show that the nonlinear threshold-like behavior of the photoluminescence unambiguously occurs in the strong coupling regime and that the stimulation mechanism is not a usual laser effect obtained by population inversion of an electron-hole plasma or of localized exciton states. The experimental observation of laser-like emission can be explained by condensation of polaritons on radiative states as a result of boson statistics mediated by exciton-exciton scattering processes.

Original languageEnglish
Pages (from-to)1002-1009
Number of pages8
JournalJournal of Crystal Growth
Volume214
DOIs
Publication statusPublished - 2 Jun 2000
EventThe 9th International Conference on II-VI Compounds - Kyoto, Jpn
Duration: 1 Nov 19995 Nov 1999

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