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

Amelia G. Spivey; Camelia N. Borca; Steven T. Cundiff

Quantum Electronics and Laser Science Conference 2005

Baltimore, Maryland United States
22 May 2005
ISBN: 1-55752-770-9

From the session
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

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

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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.

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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.

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Abstract

Quantum Electronics and Laser Science Conference 2005

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