Cw and femtosecond optical nonlinearities of type-II quantum wells

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

doi:10.1103/PhysRevLett.66.1358

Cw and femtosecond optical nonlinearities of type-II quantum wells

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

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25 Scopus citations

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 language	English (US)
Pages (from-to)	1358-1361
Number of pages	4
Journal	Physical review letters
Volume	66
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.66.1358
State	Published - 1991

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General Physics and Astronomy

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10.1103/PhysRevLett.66.1358

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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.",

author = "Olbright, {G. R.} and Fu, {W. S.} and A. Owyoung and Klem, {J. F.} and R. Binder and I. Galbraith and Koch, {S. W.}",

year = "1991",

doi = "10.1103/PhysRevLett.66.1358",

language = "English (US)",

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T1 - Cw and femtosecond optical nonlinearities of type-II quantum wells

AU - Olbright, G. R.

AU - Fu, W. S.

AU - Owyoung, A.

AU - Klem, J. F.

AU - Binder, R.

AU - Galbraith, I.

AU - Koch, S. W.

PY - 1991

Y1 - 1991

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AB - 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.

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JO - Physical review letters

JF - Physical review letters

IS - 10

ER -

Cw and femtosecond optical nonlinearities of type-II quantum wells

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