Polariton-acoustic-phonon interaction in a semiconductor microcavity

被引：35

作者：

Cassabois, G

Triques, ALC

Bogani, F

Delalande, C

Roussignol, P

Piermarocchi, C

机构：

[1] Laboratoire de Physique de la Matière Condensée de l’Ecole Normale Supérieure, Paris Cedex 05, 75231

[2] Institut de Physique Théorique, EPFL PHB-Ecublens

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.61.1696

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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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收藏

页码：1696 / 1699

页数：4

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