The linear and nonlinear optical properties of realistic quantum wires are studied through a theoretical approach based on a set of generalized semiconductor Bloch equations. Our scheme allows a full three-dimensional multisubband description of electron-hole correlation for any confinement profile, thus permitting a direct comparison with experiments for available quantum-wire structures. Our results show that electron-hole Coulomb correlation removes the one-dimensional band-edge singularities from the absorption spectra, whose shape is heavily modified with respect to the ideal free-carrier single-subband case over the whole density range.

Coulomb-induced suppression of band-edge singularities in the optical spectra of realistic quantum-wire structures / F., Rossi; Molinari, Elisa. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 76:(1996), pp. 3642-3645.

Coulomb-induced suppression of band-edge singularities in the optical spectra of realistic quantum-wire structures

MOLINARI, Elisa
1996

Abstract

The linear and nonlinear optical properties of realistic quantum wires are studied through a theoretical approach based on a set of generalized semiconductor Bloch equations. Our scheme allows a full three-dimensional multisubband description of electron-hole correlation for any confinement profile, thus permitting a direct comparison with experiments for available quantum-wire structures. Our results show that electron-hole Coulomb correlation removes the one-dimensional band-edge singularities from the absorption spectra, whose shape is heavily modified with respect to the ideal free-carrier single-subband case over the whole density range.
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Coulomb-induced suppression of band-edge singularities in the optical spectra of realistic quantum-wire structures / F., Rossi; Molinari, Elisa. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 76:(1996), pp. 3642-3645.
F., Rossi; Molinari, Elisa
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/306024
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