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Saturation spectroscopy of hot carriers in coupled double quantum well structures

  • W. J. Li
  • , B. D. McCombe
  • , J. P. Kaminski
  • , S. J. Allen
  • , M. I. Stockman
  • , L. S. Muratov
  • , L. N. Pandey
  • , T. F. George
  • , W. J. Schaff
  • SUNY Buffalo

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We report the first combination of far-infrared linear and nonlinear (saturation) magnetoabsorption experiments on coupled subband Landau level excitations in a series of modulation-doped multiple coupled double quantum well (MCDQW) structures. Linear spectroscopy was carried out with a Fourier transform spectrometer over a range of temperature, and saturation spectroscopy was carried out with the free electron laser at UC Santa Barbara. Based on theoretical analysis, an electron lifetime of approximately 1.2 ns was obtained.

Original languageEnglish
Article number062
Pages (from-to)630-633
Number of pages4
JournalSemiconductor Science and Technology
Volume9
Issue number5 S
DOIs
StatePublished - 1994

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