28 February 2006 Omnidirectional light extraction in GaN LEDs using an Archimedean tiling photonic crystal
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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.
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Aurélien David, Aurélien David, Tetsuo Fujii, Tetsuo Fujii, Elison Matioli, Elison Matioli, Rajat Sharma, Rajat Sharma, Shuji Nakamura, Shuji Nakamura, Steven P. DenBaars, Steven P. DenBaars, Claude Weisbuch, Claude Weisbuch, Henri Benisty, Henri Benisty, } "Omnidirectional light extraction in GaN LEDs using an Archimedean tiling photonic crystal", Proc. SPIE 6115, Physics and Simulation of Optoelectronic Devices XIV, 61151X (28 February 2006); doi: 10.1117/12.648218; https://doi.org/10.1117/12.648218
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