Longitudinal-transversal polariton splitting on a GaAs single quantum well microcavity

被引：2
|
作者：
Comitti, V. S. [1 ]
da Silva, M. B. E. [1 ]
Matinaga, F. M. [1 ]
机构：
[1] Univ Fed Minas Gerais, Dept Fis, BR-30161 Belo Horizonte, MG, Brazil
来源：
SOLID STATE COMMUNICATIONS | 2014年 / 193卷
关键词：
SQW GaAs microcavity; Exciton polariton; Longitudinal transversal splitting; Polariton relaxation; EXCITONS;
D O I：
10.1016/j.ssc.2014.05.029
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Exciton polariton is a quasi-particle formed in a microcavity, which keeps the exciton and the photon property, e.g. the exciton longitudinal-transversal energy splitting. In this work we observed a splitting as large as 0.19 meV in the polariton emission mode in a GaAs single quantum well microcavity for the heavy hole as well as a 0.137 meV for the light hole excitons. The splitting behavior was analyzed as a function of excitation power and the polarization degree. The results indicate one longitudinal-transversal splitting emission light with mixed spin states and crossed linear polarizations for the longitudinal-transversal modes, and a condensation behavior only for the heavy hole transversal mode. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：37 / 40
页数：4
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