Spatial and spectral shape of inhomogeneous nonequilibrium exciton-polariton condensates

Year: 2008

Authors: Wouters M., Ciuti C., Carusotto I.

Autors Affiliation: TFVS, Universiteit Antwerpen, Groenenborgerlaan 171, 2020 Antwerpen, Belgium;
BEC-CNR-INFM and Dipartimento di Fisica, Università di Trento, I-38050 Povo, Italy;
Laboratoire Matériaux et Phénomènes Quantiques, Université Paris Diderot-Paris 7 and CNRS, UMR 7162, Bâtiment Condorcet, 75205 Paris Cedex 13, France

Abstract: We develop a mean-field theory of the spatial profile and the spectral properties of polariton condensates in nonresonantly pumped semiconductor microcavities in the strong coupling regime. Specific signatures of the nonequilibrium character of the condensation process are pointed out: a striking sensitivity of the condensate shape on the optical pump spot size is demonstrated by analytical and numerical calculations, in good quantitative agreement with recent experimental observations.

Journal/Review: PHYSICAL REVIEW B

Volume: 77 (11)      Pages from: 115340  to: 115340

KeyWords: Bose-Einstein condensate; exciton-polaritons; non-equilibrium
DOI: 10.1103/PhysRevB.77.115340

Citations: 163
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