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.
Dephasing of the LH-HH exciton Raman coherence in GaAs quantum wells: distinguishing between phonon and carrier scattering
2005 Quantum Electronics and Laser Science Conference ; 3 ; 1917-1919 vol. 3
01.01.2005
661420 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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