We review recent results on the linear and non-linear optical response of realistic quantum-wire structures. Our theoretical approach is based on a set of generalized semiconductor Bloch equations, and allows a full three-dimensional multisubband description of Coulomb correlation for any shape of the confinement profile, thus permitting a direct comparison with experiments for available state-of-the-art wire structures. Our results show that electron–hole Coulomb correlation removes the one-dimensional band-edge singularities from the absorption spectra, whose shape results to be heavily modified with respect to the ideal free-particle case over the whole range of photoexcited carrier densities.

Coulomb-Correlation Effects on the Non-Linear Optical Properties of Realistic Quantum Wires / Rossi, Fausto; Molinari, E.. - In: PHYSICA STATUS SOLIDI B-BASIC RESEARCH. - ISSN 0370-1972. - 204:1(1997), pp. 241-246. [10.1002/1521-3951(199711)204:1<241::AID-PSSB241>3.0.CO;2-E]

Coulomb-Correlation Effects on the Non-Linear Optical Properties of Realistic Quantum Wires

ROSSI, FAUSTO;
1997

Abstract

We review recent results on the linear and non-linear optical response of realistic quantum-wire structures. Our theoretical approach is based on a set of generalized semiconductor Bloch equations, and allows a full three-dimensional multisubband description of Coulomb correlation for any shape of the confinement profile, thus permitting a direct comparison with experiments for available state-of-the-art wire structures. Our results show that electron–hole Coulomb correlation removes the one-dimensional band-edge singularities from the absorption spectra, whose shape results to be heavily modified with respect to the ideal free-particle case over the whole range of photoexcited carrier densities.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2498490
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