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Optical dephasing of homogeneously broadened two-dimensional exciton transitions in GaAs quantum wells

✍ Scribed by Schultheis, L.; Honold, A.; Kuhl, J.; Köhler, K.; Tu, C. W.

Book ID
121737651
Publisher
The American Physical Society
Year
1986
Tongue
English
Weight
282 KB
Volume
34
Category
Article
ISSN
1098-0121

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We report the first measurements of the interaction of non-equilibrium phonons with twodimensional exciton gases (2DExGs). The rise in the effective temperature of the 2DExG produced by the phonons depends on the width of the quantum well and the exciton sheet density and hence on the ratio 5 -l (ex