Title :
Simulation of three-fold symmetric photonic crystal structures on top of GaN LEDs
Author :
Trieu, Simeon ; Jin, Xiaomin ; Xiong, Chang ; Fu, Xingxing ; Kang, Xiangning ; Zhang, Guoyi ; Zhang, Bei
Author_Institution :
Electr. Eng. Dept., California Polytech. State Univ., San Luis Obispo, CA, USA
Abstract :
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.
Keywords :
III-V semiconductors; diffraction gratings; finite difference time-domain analysis; gallium compounds; light emitting diodes; photonic crystals; wide band gap semiconductors; GaN; extraction efficiency improvement; finite difference time-domain analysis; light emitting diodes; three-fold symmetric photonic crystal grating; transmission gratings; Finite difference methods; Gallium nitride; Gratings; Light emitting diodes; Monitoring; Optimization methods; Photonic crystals; Physics; Power generation; Time domain analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
