HIGH-EFFICIENCY PLANAR MICROCAVITY LEDS - COMPARISON OF DESIGN AND EXPERIMENT

被引:60
作者
DENEVE, H [1 ]
BLONDELLE, J [1 ]
BAETS, R [1 ]
DEMEESTER, P [1 ]
VANDAELE, P [1 ]
BORGHS, G [1 ]
机构
[1] IMEC,MAP,MBE,B-3001 LOUVAIN,BELGIUM
关键词
D O I
10.1109/68.372748
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
This paper describes the design of substrate emitting microcavity LED's and a comparison of experimental results with modeling results, The modeling is based on a simulation tool which accounts for guided modes, quantum well reabsorption and photon recycling, The overall quantum efficiencies of lambda/2 and lambda cavities both with a 60% and a 90% reflecting DBR mirror are compared and a good qualitative correspondence is found between theory and experiment. The maximum theoretical overall quantum efficiency for the considered structures is expected to be around 14%, whereas the best experimental value amounts to 10.2%.
引用
收藏
页码:287 / 289
页数:3
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