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Conference Paper
Quantum Electronics and Laser Science Conference
Baltimore, Maryland United States
May 22, 2005
ISBN: 1-55752-770-9
Poster Session III (JThE)

Dephasing of the LH-HH Exciton Raman Coherence in GaAs Quantum Wells: Distinguishing between Phonon and Carrier Scattering

Amelia G. Spivey, Camelia N. Borca, and Steven T. Cundiff

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Abstract

Three-beam four-wave mixing shows anti-correlated scattering of HH and LH excitons in GaAs/AlGaAs quantum wells, suggesting that exciton-phonon scattering dominates the exciton dephasing. The correlation increases at higher excitation densities.

© 2005 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

Citation
A. G. Spivey, C. N. Borca, and S. T. Cundiff, "Dephasing of the LH-HH Exciton Raman Coherence in GaAs Quantum Wells: Distinguishing between Phonon and Carrier Scattering," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JThE121.
http://www.opticsinfobase.org/abstract.cfm?URI=QELS-2005-JThE121


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