Published in Conference on Lasers and Electro-Optics, May 16, 2010, pages 1-2.
A 3-fold symmetric photonic-crystal grating is simulated using improved FDTD-model. Transmission gratings are optimized. Then, the best cases are simulated in GaN-LED models. The maximum extraction efficiency improvement is 40× greater compared to conventional LEDs.
Electrical and Computer Engineering
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