Polarization instability in a polariton system in semiconductor microcavities

被引：22

作者：

Gavrilov, S. S. ^{[1
]}

Brichkin, A. S. ^{[1
]}

Dorodnyi, A. A. ^{[1
]}

Tikhodeev, S. G. ^{[2
]}

Gippius, N. A. ^{[2
,3
]}

Kulakovskii, V. D. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia

[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia

[3] Univ Clermont Ferrand, UMR 6602, CNRS, LASMEA, F-63177 Aubiere, France

来源：

JETP LETTERS | 2010年 / 92卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

EXCITON POLARITONS; CAVITY POLARITONS; SCATTERING; BISTABILITY; DYNAMICS;

D O I：

10.1134/S0021364010150105

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The kinetics of a field on a quantum well in the active region of a planar microcavity with strong exciton-photon coupling has been investigated under the conditions of resonance pulse excitation by a small degree of circular polarization. It has been shown that the system of polaritons at the early stage of the development of instability induced by polariton-polariton interaction tends to transit to a circularly polarized state, but does not reach 100% circular polarization and returns to a polarized state whose polarization is close to the pump polarization. It has been shown that the observed effects are caused by the excitation of an unpolarized reservoir of excitons in quantum wells, which leads to fast relaxation of the difference between the effective resonance frequencies of excitons with different circular polarizations.

引用

页码：171 / 178

页数：8

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