Cw and femtosecond optical nonlinearities of type-II quantum wells

G. R. Olbright, W. S. Fu, A. Owyoung, J. F. Klem, Rudolf Binder, I. Galbraith, Stephan W Koch

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Femtosecond time-resolved and quasi-cw measurements of optical nonlinearities of type-II GaAs/AlAs quantum wells are reported. A pronounced blueshift of the heavy-hole exciton is observed, which develops on a 100-ps time scale after resonant interband excitation. The experimental observations are analyzed using many-body theory, explaining exciton blueshift and dynamical evolution in terms of electron-hole Coulomb enhancement, hole-phase-space filling, and hole-plasma cooling.

Original languageEnglish (US)
Pages (from-to)1358-1361
Number of pages4
JournalPhysical Review Letters
Volume66
Issue number10
DOIs
StatePublished - 1991

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nonlinearity
quantum wells
plasma cooling
excitons
augmentation
excitation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Cw and femtosecond optical nonlinearities of type-II quantum wells. / Olbright, G. R.; Fu, W. S.; Owyoung, A.; Klem, J. F.; Binder, Rudolf; Galbraith, I.; Koch, Stephan W.

In: Physical Review Letters, Vol. 66, No. 10, 1991, p. 1358-1361.

Research output: Contribution to journalArticle

Olbright, G. R. ; Fu, W. S. ; Owyoung, A. ; Klem, J. F. ; Binder, Rudolf ; Galbraith, I. ; Koch, Stephan W. / Cw and femtosecond optical nonlinearities of type-II quantum wells. In: Physical Review Letters. 1991 ; Vol. 66, No. 10. pp. 1358-1361.
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