Mapping cavity modes of ZnO nanobelts

被引：16
|
作者：
Xu, Xiulai [1 ]
Brossard, Frederic S. F. [1 ]
Williams, David A. [1 ]
Collins, Daniel P. [2 ]
Holmes, Mark J. [2 ]
Taylor, Robert A. [2 ]
Zhang, Xitian [3 ]
机构：
[1] Hitachi Europe Ltd, Hitachi Cambridge Lab, Cambridge CB3 0HE, England
[2] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England
[3] Harbin Normal Univ, Sch Phys & Elect Engn, Heilongjiang Key Lab Adv Funct Mat & Excited Stat, Harbin 150025, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 23期
关键词：
Fabry-Perot interferometers; finite difference time-domain analysis; II-VI semiconductors; laser modes; nanobelts; photoluminescence; quantum electrodynamics; wide band gap semiconductors; zinc compounds; POLARIZED PHOTOLUMINESCENCE; ROOM-TEMPERATURE; NANOWIRES; LASERS;
D O I：
10.1063/1.3151866
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
ZnO nanostructures attract current interest because they have the potential to implement cavity quantum electrodynamics at room temperature. We report a photoluminescence mapping of ZnO nanobelts both at room temperature and 4.2 K. The multicavity modes were observed all over the belt surface, which were induced by Fabry-Peacuterot interference. The emission from the belt surface is enhanced at both the ends and the sides of the belt, and is highly linearly polarized in the direction perpendicular to the long axis of the belt. The results are explained using finite-difference time-domain simulations.
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页数：3
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