Optimization of broadband quantum cascade lasers for continuous wave operation

被引：9
|
作者：
Soibel, A
Gmachl, C
Sivco, DL
Peabody, ML
Sergent, AM
Cho, AY
Capasso, F
机构：
[1] Lucent Technol, Bell Labs, Murray Hill, NJ 07974 USA
[2] Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02138 USA
来源：
APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 01期
关键词：
D O I：
10.1063/1.1588374
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have optimized the design of the broadband quantum cascade laser for cw operation. The improved design leads to a gain ripple of only about 4 cm(-1) over more than a 0.5-mum spectral range. Simultaneous cw emission at several wavelengths spanning the range between 6.7 and 7.4 mum has been achieved in a temperature interval from 20 to 77 K. (C) 2003 American Institute of Physics.
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页码：24 / 26
页数：3
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