Stimulated emission of free excitons in Cd1-xMnxTe under nonresonant two-photon excitation

J. I. Jang*, S. Mani, J. B. Ketterson, H. Y. Park

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

We report on free excitons coexisting with exciton magnetic polarons (EMPs) in bulk semimagnetic semiconductors of Cd1-xMnxTe for 0.04 ≤ x ≤ 0.36 at 2 K under nonresonant two-photon excitation. This two-photon excitation not only generates free excitons but also more efficiently creates EMPs compared with ordinary one-photon excitation. Stimulated emission from free excitons is demonstrated under strong two-photon excitation.

Original languageEnglish (US)
Pages (from-to)5722-5724
Number of pages3
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume372
Issue number35
DOIs
StatePublished - Aug 25 2008

Keywords

  • CdMnTe
  • Free excitons
  • Magnetic polarons
  • Stimulated emission
  • Two-photon excitation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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