Optical and Quantum Electronics

, Volume 39, Issue 7, pp 597–602 | Cite as

3D simulation of InGaN/GaN micro-ring light-emitting diodes



We employed the APSYS software to perform 3D electrical and ray-tracing simulations on micro-ring light-emitting diodes (LEDs) to verify previous experimental findings that they have higher extraction efficiency than micro-disk and broad area LEDs. 3D ray-tracing indicates the importance of inter-ring optical interactions. Furthermore we found that the higher light extraction efficiency is at the expense of reduced internal quantum efficiency (IQE) as injection current is increased.


Micro-ring LED Extraction efficiency Ray-tracing 


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Crosslight Software ChinaShanghaiChina
  2. 2.Crosslight Software Inc.BurnabyCanada

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