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Polariton laser: thermodynamics and quantum kinetic theory

Polariton laser: thermodynamics and quantum kinetic theory
Polariton laser: thermodynamics and quantum kinetic theory
Cavity exciton–polaritons are considered to be two-dimensional weakly interacting true bosons. We analyse their thermodynamic properties and show that they can exhibit local condensation or Kosterlitz–Thouless phase transition towards superfluidity, so that polariton lasing can be achieved. The dynamical evolution of the condensate in a non-resonantly pumped cavity is described by a quantum kinetic formalism. The distribution function of polaritons is described by a semi-classical Boltzmann equation. A master equation for the ground-state density matrix is derived in the framework of the Born–Markov approximation. The dynamics of the ground-state population and its coherence are deduced.
0268-1242
S395-S404
Malpuech, G.
da5f02e8-b721-4a4b-a3fc-cb756b396e4a
Rubo, Y.G.
11da6e15-93bf-4529-857c-71ecb819d540
Laussy, F.P.
1ed745d2-e84d-4457-81d2-5568c5c9c753
Bigenwald, P.
92c2e4b5-1fc5-42f0-bd5d-a08bd24061c6
Kavokin, A.V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Malpuech, G.
da5f02e8-b721-4a4b-a3fc-cb756b396e4a
Rubo, Y.G.
11da6e15-93bf-4529-857c-71ecb819d540
Laussy, F.P.
1ed745d2-e84d-4457-81d2-5568c5c9c753
Bigenwald, P.
92c2e4b5-1fc5-42f0-bd5d-a08bd24061c6
Kavokin, A.V.
70ffda66-cfab-4365-b2db-c15e4fa1116b

Malpuech, G., Rubo, Y.G., Laussy, F.P., Bigenwald, P. and Kavokin, A.V. (2003) Polariton laser: thermodynamics and quantum kinetic theory. Semiconductor Science and Technology, 18 (10), S395-S404.

Record type: Article

Abstract

Cavity exciton–polaritons are considered to be two-dimensional weakly interacting true bosons. We analyse their thermodynamic properties and show that they can exhibit local condensation or Kosterlitz–Thouless phase transition towards superfluidity, so that polariton lasing can be achieved. The dynamical evolution of the condensate in a non-resonantly pumped cavity is described by a quantum kinetic formalism. The distribution function of polaritons is described by a semi-classical Boltzmann equation. A master equation for the ground-state density matrix is derived in the framework of the Born–Markov approximation. The dynamics of the ground-state population and its coherence are deduced.

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More information

Submitted date: 5 November 2002
Published date: 2003

Identifiers

Local EPrints ID: 57444
URI: http://eprints.soton.ac.uk/id/eprint/57444
ISSN: 0268-1242
PURE UUID: 120e0e37-684c-4ec3-b619-5537c23d5641

Catalogue record

Date deposited: 13 Aug 2008
Last modified: 09 Nov 2021 09:53

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Contributors

Author: G. Malpuech
Author: Y.G. Rubo
Author: F.P. Laussy
Author: P. Bigenwald
Author: A.V. Kavokin

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