Stimulated Scattering and Lasing of Intersubband Cavity Polaritons

被引：75

作者：

De Liberato, Simone ^{[1
,2
,3
,4
]}

Ciuti, Cristiano ^{[1
,2
]}

机构：

[1] Univ Paris 07, Lab Mat & Phenomenes Quant, F-75013 Paris, France

[2] CNRS, UMR 7162, F-75013 Paris, France

[3] Ecole Normale Super, Lab Pierre Aigrain, F-75005 Paris, France

[4] CNRS, F-75005 Paris, France

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 13期

关键词：

QUANTUM-WELLS;

D O I：

10.1103/PhysRevLett.102.136403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a microscopic theory describing the stimulated scattering of intersubband polariton excitations in a microcavity-embedded two-dimensional electron gas. In particular, we consider the polariton scattering induced by the interaction with longitudinal optical phonons. Our theory demonstrates the possibility of final-state stimulation for the scattering of such composite excitations, accounting for the deviations from ideal bosonicity occurring at high excitation densities. By using GaAs parameters, we predict a quantum degenerate regime and lasing without electronic population inversion in an optical pumping configuration.

引用

页数：4

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