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Near-infrared sideband generation induced by intense far-infrared radiation in GaAs quantum wells

  • J. Černe
  • , J. Kono
  • , T. Inoshita
  • , M. Sherwin
  • , M. Sundaram
  • , A. C. Gossard
  • Japan Science and Technology Agency
  • University of California at Santa Barbara
  • National Aeronautics and Space Administration

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

GaAs quantum wells are simultaneously illuminated with near-infrared (NIR) radiation at frequency ωnir and intense far-infrared (FIR) radiation from a free-electron laser at ωfir. Magnetic fields up to 9 T are applied. Strong and narrow sidebands are observed at ωsidebandnir±2ωfir. The intensity of the sidebands is enhanced when either ωsideband or ωniris near the onset of NIR absorption in the quantum well, or when ωfir is near the free-electron cyclotron frequency. We attribute these sidebands to four-wave mixing of NIR and FIR photons whose energies differ by more than a factor of 100.

Original languageEnglish
Pages (from-to)3543-3545
Number of pages3
JournalApplied Physics Letters
Volume70
Issue number26
DOIs
StatePublished - Jun 30 1997

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