Dynamics of long-range ordering in an exciton-polariton condensate

G. Nardin; K. G. Lagoudakis; M. Wouters; M. Richard; A. Baas; R. André; Le Si Dang; B. Pietka; B. Deveaud-Plédran

doi:10.1103/PhysRevLett.103.256402

Dynamics of long-range ordering in an exciton-polariton condensate

G. Nardin, K. G. Lagoudakis, M. Wouters, M. Richard, A. Baas, R. André, Le Si Dang, B. Pietka, B. Deveaud-Plédran

Physics

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

Abstract

We report on time-resolved measurements of the first order spatial coherence in an exciton-polariton Bose-Einstein condensate. Long-range spatial coherence is found to set in right at the onset of stimulated scattering, on a picosecond time scale. The coherence reaches its maximum value after the population and decays slowly, staying up to a few hundred picoseconds. This behavior can be qualitatively reproduced, using a stochastic classical field model describing interaction between the polariton condensate and the exciton reservoir within a disordered potential.

Original language	English
Article number	256402
Number of pages	4
Journal	Phys. Rev. Lett.
Volume	103
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.103.256402
Publication status	Published - 15 Dec 2009

Keywords

spatial coherence
long-range ordering
exciton polariton condensates

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10.1103/PhysRevLett.103.256402

http://link.aps.org/doi/10.1103/PhysRevLett.103.256402

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title = "Dynamics of long-range ordering in an exciton-polariton condensate",

abstract = "We report on time-resolved measurements of the first order spatial coherence in an exciton-polariton Bose-Einstein condensate. Long-range spatial coherence is found to set in right at the onset of stimulated scattering, on a picosecond time scale. The coherence reaches its maximum value after the population and decays slowly, staying up to a few hundred picoseconds. This behavior can be qualitatively reproduced, using a stochastic classical field model describing interaction between the polariton condensate and the exciton reservoir within a disordered potential.",

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AU - Nardin, G.

AU - Lagoudakis, K. G.

AU - Wouters, M.

AU - Richard, M.

AU - Baas, A.

AU - André, R.

AU - Dang, Le Si

AU - Pietka, B.

AU - Deveaud-Plédran, B.

PY - 2009/12/15

Y1 - 2009/12/15

N2 - We report on time-resolved measurements of the first order spatial coherence in an exciton-polariton Bose-Einstein condensate. Long-range spatial coherence is found to set in right at the onset of stimulated scattering, on a picosecond time scale. The coherence reaches its maximum value after the population and decays slowly, staying up to a few hundred picoseconds. This behavior can be qualitatively reproduced, using a stochastic classical field model describing interaction between the polariton condensate and the exciton reservoir within a disordered potential.

AB - We report on time-resolved measurements of the first order spatial coherence in an exciton-polariton Bose-Einstein condensate. Long-range spatial coherence is found to set in right at the onset of stimulated scattering, on a picosecond time scale. The coherence reaches its maximum value after the population and decays slowly, staying up to a few hundred picoseconds. This behavior can be qualitatively reproduced, using a stochastic classical field model describing interaction between the polariton condensate and the exciton reservoir within a disordered potential.

KW - spatial coherence

KW - long-range ordering

KW - exciton polariton condensates

U2 - 10.1103/PhysRevLett.103.256402

DO - 10.1103/PhysRevLett.103.256402

M3 - Article

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JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 25

M1 - 256402

ER -

Dynamics of long-range ordering in an exciton-polariton condensate

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Keywords

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