具有高度定向发光特性的超周期光子晶体发光二极管的设计与仿真

2009 9th International Conference on Numerical Simulation of Optoelectronic Devices Pub Date : 2009-10-30 DOI:10.1109/NUSOD.2009.5297248

G. Song, C. M. Lim

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引用次数: 0

摘要

通过对光波器件的时域有限差分分析，提出了一种具有高亮度图案的超周期光子晶体发光二极管(LED)设计，用于需要高度定向的垂直光提取的应用。该器件的设计从理论上考虑了双周期结构自发光的远场衍射和光子带内辐射模的密度。

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Design and simulation of superperiodic photonic-crystal light emitting diodes with highly directive luminance characteristics

By use of finite-differene time-domain analysis for lightwave devices, a novel super-periodic photonic-crystal light-emitting diode (LED) design exhibiting high-luminance patterns is proposed for applications that require highly-directive vertical light extraction. The device design is made on the theoretical consideration on the density of radiation modes within the photonic band coupled with far-field diffraction of the spontaneously-emitted light from a structure with double periodicity.

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2009 9th International Conference on Numerical Simulation of Optoelectronic Devices

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