High power-efficiency terahertz quantum cascade laser

被引：0

作者：

李媛媛 ^{[1
]}

刘俊岐 ^{[1
]}

刘峰奇 ^{[1
]}

张锦川 ^{[1
]}

翟慎强 ^{[1
]}

卓宁 ^{[1
]}

王利军 ^{[1
]}

刘舒曼 ^{[1
]}

王占国 ^{[1
]}

机构：

[1] Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences,and Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices

来源：

Chinese Physics B | 2016年 / 08期

基金：

中国国家自然科学基金;

关键词：

terahertz lasers; quantum cascade lasers; epitaxial-side down mounting;

D O I：

暂无

中图分类号：

TN248 [激光器];

学科分类号：

0803 ; 080401 ; 080901 ;

摘要：

We demonstrate continuous-wave（CW） high power-efficiency terahertz quantum cascade laser based on semiinsulating surface-plasmon waveguide with epitaxial-side down（Epi-down） mounting process.The performance of the device is analyzed in detail.The laser emits at a frequency of;.27 THz and has a maximum CW operating temperature of;70 K.The peak output powers are 177 mW in pulsed mode and 149 mW in CW mode at 10 K for 130-μm-wide Epi-down mounted lasers.The record wall-plug efficiencies in direct measurement are 2.26% and 2.05% in pulsed and CW mode,respectively.

引用

页码：185 / 188

页数：4

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