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Exciton and free carrier dynamics in GaAs quantum wells: excitation density effects

✍ Scribed by D. Block; R. Romestain; P. Edel; S. Fränke

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
413 KB
Volume
53
Category
Article
ISSN
0022-2313

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✍ B.M. Ashkinadze; E. Cohen; Arza Ron; E. Linder 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 140 KB

We report on the effect of photogenerated free carriers on the spectral diffusion and on the LO-phonon Raman scattering of resonantly excited excitons. This is observed by an exciton population redistribution between localized states and by a decrease in the Raman scattering intensity under an extre