Heterodyne mixing of terahertz quantum cascade lasers using a planar Schottky diode

被引：21
|
作者：
Lee, Mark [1 ]
Wanke, Michael C. [1 ]
Lerttamrab, Maytee [1 ]
Young, Erik W. [1 ]
Grine, Albert D. [1 ]
Reno, John L. [1 ]
Siegel, Peter H. [2 ]
Dengler, Robert J. [2 ]
机构：
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2008年 / 14卷 / 02期
基金：
美国能源部;
关键词：
heterodyne mixing; quantum cascade laser (QCL); Schottky diode; terahertz (THz);
D O I：
10.1109/JSTQE.2007.910762
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：
Terahertz quantum cascade lasers (QCLs) have been used together with a monolithic planar Schottky diode receiver to study the heterodyne mixing between dual internal modes of a QCL and between a single mode of a QCL and a known molecular line from a molecular gas laser. Dual-mode mixing shows that I e intrinsic linewidth of a free-running QCL is <= 30 kHz. Mixing against a molecular laser line gives a high precision measurement of a QCL's absolute frequency and can show transient turn-on behavior in a pulsed QCL.
引用
收藏
页码：370 / 373
页数：4
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