Far-field improvement of quantum cascade lasers through high-reflection coatings

被引：1
|
作者：
Liu, W. F. [1 ]
Wang, L. J. [1 ]
Zhang, J. C. [1 ]
Li, L. [1 ]
Liu, J. Q. [1 ]
Liu, F. Q. [1 ]
Wang, Z. G. [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
来源：
ELECTRONICS LETTERS | 2011年 / 47卷 / 02期
关键词：
OPERATION;
D O I：
10.1049/el.2010.2743
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：
A new approach has been developed for quantum cascade lasers to improve beam quality. Using two carefully designed high-reflection coatings, the fundamental mode was selected to have the lowest threshold current and the horizontal far-field pattern has been greatly improved, in good agreement with simulations.
引用
收藏
页码：127 / +
页数：2
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