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Conferences > UP > 1994 > TuD > TuD.16

Nonequilibrium Dynamics of Holes in p-Type Germanium Studied by Femtosecond Infrared Spectroscopy

M. Woerner, T. Elsaesser, C. Ludwig, M. T. Portella, W. Frey, and W. Kaiser

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Abstract

The ultrafast thermalization of nonequilibrium carriers in semiconductors, i.e. the relaxation to a Fermi-like distribution, has mainly been investigated by femtosecond absorption and luminescence studies of photoexcited electron-hole plasma. In this paper, we present the first time resolved observation of thermalization in a single component plasma, providing specific insight into the subpicosecond dynamics of holes in p-type germanium.

© 1994 Optical Society of America

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