Enhancement of the light output of light-emitting diode with double photonic crystals

被引：24
|
作者：
Xu, Zhenfeng [1 ]
Cao, Liangcai [1 ]
Tan, Qiaofeng [1 ]
He, Qingsheng [1 ]
Jin, Guofan [1 ]
机构：
[1] Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Tsinghua Foxcon Nanotechnol Res Ctr, Beijing 100084, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2007年 / 278卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.optcom.2007.06.019
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A light-emitting diode (LED) with double photonic crystals (PhCs) is designed to enhance the light output. Based on the configuration of the PhC assisted LED with a single PhC (SPC-LED), a second PhC is added on the bottom surface of the active layer to improve the light output. The optical properties of this double PhCs assisted LED are simulated using the three-dimensional (3D) finite-difference time-domain (FDTD) method. The calculation results show that its light output can be 3.2 times higher than that of LED without PhC, and 1.39 times higher than that of SPC-LED. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：211 / 214
页数：4
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