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Type: Artigo de periódico
Title: Laser effects in semiconductor heterostructures within an extended dressed-atom approach
Author: Brandi, H.S.
Latgé, A.
Oliveira, L.E.
Abstract: We extend the dressed-atom approach to treat the interaction of a laser field with a semiconductor system. The semiconductor is modeled via a simple Kane band-structure scheme and the interaction with the laser field is incorporate through the renormalization of the semiconductor energy gap and conduction/valence effective masses. Far from resonances, such one-body approach allows the study of the effects of laser fields on a variety of optoelectronic phenomena in semiconductor systems for which the effective-mass approximation provides a good physical description. We calculate the effects originated by the laser-dressing on the donor and exciton peack energies in quantum-well heterostructures, and show that they may be quite considerable and observable.
Editor: Sociedade Brasileira de Física
Rights: aberto
Identifier DOI: 10.1590/S0103-97332002000200004
Date Issue: 1-Jun-2002
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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