Design of a tandem distributed Bragg reflectors specialized for enhancing the efficiency of GaN-based ultraviolet light-emitting diodes
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- 作者：Yue Yang ; Qingbin Ji ; Hua Zong ; Tongxing Yan ; Junchao Li ; Tiantian Wei ; Xiaodong Hu ; huxd@pku.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：GaN ; Extraction efficiency ; Distributed Bragg reflector ; Ultraviolet
- 刊名：Optics Communications
- 出版年：2016
- 出版时间：1 September 2016
- 年：2016
- 卷：374
- 期：Complete
- 页码：80-83
- 全文大小：930 K
文摘
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Design a type of tandem DBR that shows advantages over normal DBR in ultraviolet region.
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The use of the tandem DBR (centered at 390 nm) enhances the extraction efficiency without detuning the cavity and meanwhile narrows the spectral width of the emitted light.
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Demonstrate the potential that the tandem DBRs (centered at 343 nm and 246 nm respectively) have for enhancing the efficiency in deep UV device.
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