Rate-equation analysis of output efficiency and modulation rate of photonic-crystal light-emitting diodes

被引：34

作者：

Fan, SH ^{[1
]}

Villeneuve, PR ^{[1
]}

Joannopoulos, JD ^{[1
]}

机构：

[1] MIT, Dept Phys, Cambridge, MA 02139 USA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2000年 / 36卷 / 10期

基金：

美国国家科学基金会;

关键词：

dyes; light-emitting diodes; modulation; optical resonators; periodic structures; semiconductor devices; spontaneous emission;

D O I：

10.1109/3.880652

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The performance characteristics of photonic-crystal light-emitting diodes (LEDs) are analyzed, taking into account the effects of both nonradiative recombination and photon reabsorption processes using multimode rate equations, It is shown that, in the presence of strong photon reabsorption, the optimum output efficiency and modulation rates are achieved when the width of the photon density-of-state distribution function is comparable to the width of the spontaneous emission lineshape of the active material. On the other hand, when photon reabsorption is weak, it becomes beneficial to construct high-Q cavities, Based on this analysis, the characteristics of different photonic-crystal LED configurations are discussed.

引用

页码：1123 / 1130

页数：8

共 18 条

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