Asymptotic analytic solution for Rabi oscillations in a system of weakly excited excitons

A. Knorr, Th Streich, K. Schönhammer, R. Binder, S. W. Koch

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

An asymptotic solution for light-induced exciton density oscillations in a semiconductor is calculated from the semiconductor Bloch equations in the low density limit (weak optical excitation). The analytic approximation is compared with a numerical solution of the full equations. It is shown that even for low area fields (2) density oscillations are caused by Coulomb exchange effects coupling the generated excitons and that the oscillation frequency and amplitude depend nonlinearly on the Rabi frequency of the incident field.

Original languageEnglish (US)
Pages (from-to)14024-14027
Number of pages4
JournalPhysical Review B
Volume49
Issue number19
DOIs
StatePublished - Jan 1 1994

ASJC Scopus subject areas

  • Condensed Matter Physics

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