Enhancement of GaAs/InGaAs quantum well emission by disordered gold nanoparticle arrays

被引：0
|
作者：
Gao, Hongwei [1 ]
Teng, Jinghua [2 ]
Chua, Soo Jin [1 ,2 ]
Xiang, Ning [3 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[2] Inst Mat Res & Engn, Singapore 117602, Singapore
[3] Singapore Inst Technol, Singapore 138683, Singapore
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 115卷 / 02期
关键词：
Quantum Well; Localize Surface Plasmon Resonance; Dark Mode; Bright Mode; Laser Interference Lithography;
D O I：
10.1007/s00339-013-8067-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Coupling effect of surface plasmon (SP) with InGaAs/GaAs QW emission is demonstrated experimentally. The SP resonance is generated by disordered arrays of Au nanodisks on the InGaAs/GaAs QW surface. More than twofold enhancement in QW PL is observed. Theoretical simulations also indicated that the disordered arrays of Au structures enlarged the cone angle for which light can be radiated out. The larger angle enhances the PL intensity.
引用
收藏
页码：487 / 490
页数：4
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