Continuous-wave operation of λ∼4.8 μm quantum-cascade lasers at room temperature

被引：126
|
作者：
Evans, A [1 ]
Yu, JS [1 ]
Slivken, S [1 ]
Razeghi, M [1 ]
机构：
[1] Northwestern Univ, Dept Elect & Comp Engn, Ctr Quantum Devices, Evanston, IL 60208 USA
来源：
APPLIED PHYSICS LETTERS | 2004年 / 85卷 / 12期
关键词：
D O I：
10.1063/1.1793340
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Continuous-wave (cw) operation of quantum-cascade lasers emitting at lambdasimilar to4.8 mum is reported up to a temperature of 323 K. Accurate control of layer thickness and strain-balanced material composition is demonstrated using x-ray diffraction. cw output power is reported to be in excess of 370 mW per facet at 293 K, and 38 mW per facet at 323 K. Room-temperature average power measurements are demonstrated with over 600 mW per facet at 50% duty cycle with over 300 mW still observed at 100% (cw) duty cycle. (C) 2004 American Institute of Physics.
引用
收藏
页码：2166 / 2168
页数：3
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