Investigation of the efficiency-droop mechanism in a GaN based blue light-emitting diodes using a very-fast electrical-optical pump-probe technique

J. W. Shi, Che Wei Lin, Wei Chen, M. L. Lee, J. K. Sheu

研究成果: Conference contribution

摘要

Electrical-optical pump-probe is used to investigate GaN blue LEDs under different temperatures. Measurement result indicates that under moderate current density (∼200A/cm 2) piezoelectric field induced carrier-escaping cannot be neglected and is responsible for the observed efficiency-droop.

原文English
主出版物標題IEEE Photonic Society 24th Annual Meeting, PHO 2011
頁面709-710
頁數2
DOIs
出版狀態Published - 2011
事件24th Annual Meeting on IEEE Photonic Society, PHO 2011 - Arlington, VA, United States
持續時間: 2011 十月 92011 十月 13

出版系列

名字IEEE Photonic Society 24th Annual Meeting, PHO 2011

Other

Other24th Annual Meeting on IEEE Photonic Society, PHO 2011
國家United States
城市Arlington, VA
期間11-10-0911-10-13

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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