Strong bound exciton-photon coupling in ZnO whispering gallery microcavity

被引：6
|
作者：
Sun, Liaoxin [1 ,2 ,3 ]
Dong, Hongxing [2 ,3 ]
Xie, Wei [2 ,3 ]
Lu, Jian [2 ,3 ]
Chen, Zhanghai [2 ,3 ]
Shen, Xuechu [1 ]
Lu, Wei [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China
[2] Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China
[3] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
来源：
OPTICS EXPRESS | 2013年 / 21卷 / 25期
基金：
中国国家自然科学基金;
关键词：
POLARITON CONDENSATE; PROPAGATION;
D O I：
10.1364/OE.21.030227
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the cathodoluminescence (CL) study of bound-exciton-polaritons in ZnO whispering gallery (WG) microcavity. Thanks to the very high spatial resolution (: 100 nm) of CL technique, a scanning CL mapping along the tapered ZnO nanowire is achieved. We observe a clear anticrossing behavior which demonstrates the strong coupling between cavity mode and bound-excitons. Coupled oscillator model including both bound excitons and free excitons fits well with the experimental results. The energy splitting of bound-exciton-polaritons: 2.6 meV is obtained. (C) 2013 Optical Society of America
引用
收藏
页码：30227 / 30232
页数：6
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