A Compact Four-Wavelength Quantum-Cascade Laser Source

被引：3
|
作者：
Toor, Fatima [1 ]
Howard, Scott S. [1 ]
Sivco, Deborah L. [2 ]
Gmachl, Claire F. [1 ]
机构：
[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[2] Alcatel Lucent, Murray Hill, NJ 07974 USA
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2009年 / 45卷 / 08期
关键词：
Mid-infrared; multiwavelength lasers; quantum-cascade (QC) laser; semiconductor lasers; ROOM-TEMPERATURE; GAIN;
D O I：
10.1109/JQE.2009.2014882
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 four-wavelength quantum-cascade ( QC) laser source that operates using a single current channel is presented. The source includes two different heterogeneous cascade QC lasers, one with emission wavelengths of 7.0 mu m and 11.2 mu m, and the other with 8.7 mu m and 12.0 mu m. For 3.0-mm and 3.5-mm cavity lengths, QC lasers with emission wavelengths of 8.7, 11.2, and 12.0 mu m have threshold current densities within less than a factor of 2, which allows them to be conveniently driven in series by a single current source.
引用
收藏
页码：904 / 909
页数：6
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