光子晶体氮化镓发光二极管发光提取特性研究
摘要
Ultraviolet photo-lithography is employed to introduce two-dimensional (2D) photonic crystal (PC) structure on the top surface of GaN-based light emitting diode (LED). PC patterns are transferred to 460-nmthick transparent indium tin oxide (ITO) electrode by inductively coupled plasma (ICP) etching. Light intensity of PC-LED can be enhanced by 38% comparing with the one without PC structure. Rigorous coupled wave analysis method is performed to calculate the light transmission spectrum of PC slab. Simulation results indicate that total internal reflect angle which modulated by PC structure has been increased by 7 , which means that the light extraction efficiency is enhanced outstandingly.
引用本文（GB/T 7714）
Hongwei Liu, Qiang Kan, Chunxia Wang, 等. 光子晶体氮化镓发光二极管发光提取特性研究[J]. Chinese Optics Letters, 2009.
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