Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2000

Polariton-acoustic-phonon interaction in a semiconductor microcavity

Résumé

The broadening of polariton lines by acoustic phonons is investigated in a semiconductor microcavity by means of interferometric correlation measurements with subpicosecond resolution. A decrease of the polariton-acoustic phonon coupling is clearly observed for the lower polariton branch as one approaches the resonance between exciton and photon states. This behavior cannot be explained in terms of a semiclassical linear dispersion theory but requires a full quantum description of the microcavity in the strong-coupling regime.

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Dates et versions

hal-00546760 , version 1 (14-12-2010)

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Guillaume Cassabois, Alc Triques, F. Bogani, C. Delalande, P. Roussignol, et al.. Polariton-acoustic-phonon interaction in a semiconductor microcavity. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2000, 61, pp.1696-1699. ⟨10.1103/PhysRevB.61.1696⟩. ⟨hal-00546760⟩
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