Terahertz Quantum Cascade Laser Based on Non-uniform Dipole Antenna Array

被引：0
|
作者：
Bai, Hongzou [1 ]
Chang, Gaolei [2 ]
Zhu, Huan [3 ]
Wang, Kai
Xu, Gangyi [3 ]
He, Li [3 ]
机构：
[1] CALTECH, Pasadena, CA 91125 USA
[2] Northwestern Univ, Evanston, IL 60208 USA
[3] Huntington Med Res Inst, Pasadena, CA 91105 USA
来源：
2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2021年
关键词：
D O I：
10.1109/IRMMW-THz50926.2021.9566857
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：
We report the realization of terahertz quantum cascade laser based on an antenna array, in which each unit contains two dipole antennas with slightly different widths. The device operates in single mode around 3.2THz, and the radiation efficiency can be flexibly manipulated by the width difference between the dual-antenna in each unit. Single mode emission with 30dB side-mode suppression ratio, 120 mW pulsed output power and 1% wall-plug efficiency has been demonstrated at a heat-sink temperature of 20K.
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页数：2
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