Light extraction from optically pumped light-emitting diode by thin-slab photonic crystals

被引：315

作者：

Boroditsky, M ^{[1
]}

Krauss, TF ^{[1
]}

Coccioli, R ^{[1
]}

Vrijen, R ^{[1
]}

Bhat, R ^{[1
]}

Yablonovitch, E ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 08期

关键词：

D O I：

10.1063/1.124588

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We describe a promising thin-slab light-emitting diode (LED) design, which uses a highly efficient coherent external scattering of trapped light by a two-dimensional (2D) photonic crystal. The light generation region was an unpatterned heterostructure surrounded by the light extraction region, a thin film patterned as a 2D photonic crystal. A six-fold photoluminescence enhancement was observed compared to an unpatterned thin film LED. That corresponded to 70% external quantum efficiency. (C) 1999 American Institute of Physics. [S0003-6951(99)01634-4].

引用

页码：1036 / 1038

页数：3

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