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Observation of infrared intersubband emissionin optically pumped quantum wells

  • Z. Moussa
  • , P. Boucaud
  • , F. H. Julien
  • , Y. Lavon
  • , A. Sa'ar
  • , V. Berger
  • , J. Nagle
  • , N. Coron

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Mid-infrared intersubband emission is investigated in GaAs/AlGaAs asymmetric coupled quantum wells exhibiting an energy separation between the ground and first excited subbands close to the LO-phonon energy. The authors show that an infrared emission occurs between excited subbands under intersubband optical pumping.

Original languageEnglish
Pages (from-to)912-913
Number of pages2
JournalElectronics Letters
Volume31
Issue number11
DOIs
StatePublished - 25 May 1995

Keywords

  • Optical pumping
  • Semiconductor quantum wells. Stimulated emission

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