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Optical exciton Stark effect and quantum beats at exciton quasienergy levels in quantum wells

Optical exciton Stark effect and quantum beats at exciton quasienergy levels in quantum wells The optical Stark effect and quantum beats in a GaAs/AlGaAs quantum well are investigated theoretically for the case when the first two electron size-quantization levels are mixed dynamically by a high-intensity CO 2 laser pulse polarized perpendicular to the plane of the quantum well. The quasienergy spectrum of heavy-hole excitons and the ratio between the probabilities of exciton transition with and without a strong electromagnetic field are obtained. The time-dependent intensity of absorption of the sensing light is determined. It exhibits quantum beats at twice the electron Rabi frequency. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physics of the Solid State Springer Journals

Optical exciton Stark effect and quantum beats at exciton quasienergy levels in quantum wells

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References (14)

Publisher
Springer Journals
Copyright
Copyright © 1997 by American Institute of Physics
Subject
Physics; Solid State Physics and Spectroscopy
ISSN
1063-7834
eISSN
1090-6460
DOI
10.1134/1.1130033
Publisher site
See Article on Publisher Site

Abstract

The optical Stark effect and quantum beats in a GaAs/AlGaAs quantum well are investigated theoretically for the case when the first two electron size-quantization levels are mixed dynamically by a high-intensity CO 2 laser pulse polarized perpendicular to the plane of the quantum well. The quasienergy spectrum of heavy-hole excitons and the ratio between the probabilities of exciton transition with and without a strong electromagnetic field are obtained. The time-dependent intensity of absorption of the sensing light is determined. It exhibits quantum beats at twice the electron Rabi frequency.

Journal

Physics of the Solid StateSpringer Journals

Published: Jul 1, 1997

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