Very high wall plug efficiency of quantum cascade lasers

被引：7
|
作者：
Bai, Y. [1 ]
Slivken, S. [1 ]
Darvish, S. R. [1 ]
Razeghi, M. [1 ]
机构：
[1] Northwestern Univ, Ctr Quantum Devices, Dept Elect Engn & Comp Sci, Evanston, IL 60208 USA
来源：
QUANTUM SENSING AND NANOPHOTONIC DEVICES VII | 2010年 / 7608卷
关键词：
quantum cascade lasers; mid infrared; wall plug efficiency;
D O I：
10.1117/12.855650
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We demonstrate very high wall plug efficiency (WPE) of mid-infrared quantum cascade lasers (QCLs) in low temperature pulsed mode operation (53%), room temperature pulsed mode operation (23%), and room temperature continuous wave operation (18%). All of these values are the highest to date for any QCLs. The optimization of WPE takes the route of understanding the limiting factors of each sub-efficiency, exploring new designs to overcome the limiting factor, and constantly improving the material quality.
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收藏
页数：8
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