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Direct observation of picosecond spin relaxation of excitons in GaAs/AlGaAs quantum wells using spin-dependent optical nonlinearity

โœ Scribed by Tackeuchi, Atsushi; Muto, Shunichi; Inata, Tsuguo; Fujii, Toshio

Book ID
121838833
Publisher
American Institute of Physics
Year
1990
Tongue
English
Weight
519 KB
Volume
56
Category
Article
ISSN
0003-6951

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Spin dynamics of exciton states in GaAS/
Spin dynamics of exciton states in GaAS/AlGaAs multiple quantum wells
โœ B. Dareys; X. Marie; T. Amand; J. Barrau; Y. Shekun; I. Razdobreev; R. Planel ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 195 KB

We report an experimental study of the excitonic spin relaxation dynamics in GaAs/AlGaAs Multiple Quantum Wells (MQW) presenting interface roughness by time and polarization resolved luminescence spectroscopy. The relaxation is found to occur mainly when the excitons are in the free state, before th