Polarized light emission from photonic crystal light-emitting diodes

被引：39

作者：

Lai, Chun-Feng ^{[1
,2
]}

Chi, Jim-Yong ^{[3
,4
]}

Yen, Hsi-Hsuan ^{[1
,2
]}

Kuo, Hao-Chung ^{[1
,2
]}

Chao, Chia-Hsin ^{[4
]}

Hsueh, Han-Tsung ^{[4
]}

Wang, Jih-Fu Trevor ^{[4
]}

Huang, Chen-Yang ^{[4
]}

Yeh, Wen-Yung ^{[4
]}

机构：

[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 300, Taiwan

[2] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 300, Taiwan

[3] Natl Dong Hua Univ, Inst Optoelect Engn, Hualien 97401, Taiwan

[4] Ind Technol Res Inst, Elect & Optoelect Res Labs, Hsinchu 310, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 24期

关键词：

D O I：

10.1063/1.2938885

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have experimentally studied polarization characteristics of the two-dimensional photonic crystal (PhC) light-emitting diodes (LEDs) using an annular structure with square lattice and observed a strong polarization dependence of the lattice constant and orientation of the PhC. The extracted light from the GaN PhC LEDs has P/S ratios of 5.5 (similar to 85% polarization light) for light propagating in the Gamma X direction and 2.1 (similar to 68% polarization light) for the Gamma M direction, respectively. Based on the couple mode theory, the dependence of polarization behaviors on different lattice constant and orientation was found to be in good agreement with theoretical discussion.

引用

页数：3

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