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Proceedings Paper

Radiative recombination and spin-relaxation dynamics of excitons in GaAs quantum wells
Author(s): A. Vinattieri; Jagdeep Shah; Theodore C. Damen; Loren N. Pfeiffer; Lu Jeu Sham; M. Z. Maialle
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Paper Abstract

We show that the initial dynamics of resonantly excited excitons in quantum wells is controlled by several processes, such as radiative recombination, spin-relaxation of excitons, electrons and holes, and scattering between different momentum states of excitons. We present results of experiments designed to simultaneously probe these processes. By a unified analysis of the results we extract quantitative information about radiative, spin-relaxation and momentum- relaxation rates, obtaining a good physical understanding of the initial dynamics of non- equilibrium excitons.

Paper Details

Date Published: 6 May 1994
PDF: 12 pages
Proc. SPIE 2142, Ultrafast Phenomena in Semiconductors, (6 May 1994); doi: 10.1117/12.175880
Show Author Affiliations
A. Vinattieri, Univ. di Firenze (Italy)
Jagdeep Shah, AT&T Bell Labs. (United States)
Theodore C. Damen, AT&T Bell Labs. (United States)
Loren N. Pfeiffer, AT&T Bell Labs. (United States)
Lu Jeu Sham, Univ. of California/San Diego (United States)
M. Z. Maialle, Univ. of California/San Diego (United States)

Published in SPIE Proceedings Vol. 2142:
Ultrafast Phenomena in Semiconductors
David K. Ferry; Henry M. van Driel, Editor(s)

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