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

页码：30227 / 30232

页数：6

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