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Carrier heating in quantum wells under optical and current injection of electron-hole pairs

  • L. E. Vorobjev
  • , M. Ya Vinnichenko
  • , D. A. Firsov
  • , V. L. Zerova
  • , V. Yu Panevin
  • , A. N. Sofronov
  • , P. Thumrongsilapa
  • , V. M. Ustinov
  • , A. E. Zhukov
  • , A. P. Vasiljev
  • , L. Shterengas
  • , G. Kipshidze
  • , T. Hosoda
  • , G. Belenky

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Carrier heating in GaAs/AlGaAs quantum wells (QWs) under optical interband pumping in the spontaneous-emission mode has been studied. The electron temperature was determined as a function of the pumping intensity. The effect of the electric field on the photoluminescence spectrum was examined. The change in the carrier concentration with the drive current in the spontaneous- and stimulated-emission modes in InGaAsSb/InAlGaAsSb QWs was determined from electroluminescence spectra. The rise in the temperature of hot carriers, which results in the increase in the carrier concentration with the drive current, was roughly estimated.

Original languageEnglish
Pages (from-to)1402-1405
Number of pages4
JournalSemiconductors
Volume44
Issue number11
DOIs
StatePublished - Nov 2010

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