Title :
Anomalously fast decay of LH-HH exciton Raman coherence
Author :
VanEngen Spivey, A.G. ; Borca, C.N. ; Cundiff, S.T.
Author_Institution :
JILA, Boulder, CO, USA
Abstract :
Three-beam four-wave mixing measurements of dephasing of the light-hole to heavy-hole exciton Raman coherence in GaAs quantum wells show that it is anomalously fast compared to dephasing of the optical coherences.
Keywords :
III-V semiconductors; excitons; gallium arsenide; high-speed optical techniques; light coherence; multiwave mixing; semiconductor quantum wells; stimulated Raman scattering; GaAs; GaAs quantum wells; dephasing; exciton Raman coherence; heavy hole exciton state; light hole exciton state; three-beam four-wave mixing; Delay; Excitons; Four-wave mixing; Gallium arsenide; Nonlinear optics; Optical filters; Optical mixing; Optical scattering; Polarization; Raman scattering;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.238215