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Proceedings Paper

Omnidirectional light extraction in GaN LEDs using an Archimedean tiling photonic crystal
Author(s): Aurélien David; Tetsuo Fujii; Elison Matioli; Rajat Sharma; Shuji Nakamura; Steven P. DenBaars; Claude Weisbuch; Henri Benisty
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Paper Abstract

We study photonic crystal (PhC)-assisted light extraction from gallium nitride (GaN) light-emitting diodes (LEDs). We focus on the issue of omnidirectional extraction, and we introduce a complex crystal lattice, namely the Archimedean tiling, which enables efficient and omnidirectional light extraction. PhC LEDs with regular triangular lattices and Archimedean lattices are studied experimentally by angle-resolved luminescence, and the theoretical properties of the Archimedean tiling are confirmed experimentally.

Paper Details

Date Published: 28 February 2006
PDF: 9 pages
Proc. SPIE 6115, Physics and Simulation of Optoelectronic Devices XIV, 61151X (28 February 2006); doi: 10.1117/12.648218
Show Author Affiliations
Aurélien David, Univ. of California, Santa Barbara (United States)
Lab. Charles Fabry de l'Institut d' Optique (France)
Tetsuo Fujii, Univ. of California, Santa Barbara (United States)
Elison Matioli, Univ. of California, Santa Barbara (United States)
Rajat Sharma, Univ. of California, Santa Barbara (United States)
Shuji Nakamura, Univ. of California, Santa Barbara (United States)
Steven P. DenBaars, Univ. of California, Santa Barbara (United States)
Claude Weisbuch, Univ. of California, Santa Barbara (United States)
École Polytechnique (France)
Henri Benisty, Lab. Charles Fabry de l'Institut d' Optique (France)


Published in SPIE Proceedings Vol. 6115:
Physics and Simulation of Optoelectronic Devices XIV
Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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