Single-mode operation of terahertz quantum cascade lasers

被引：0
|
作者：
Chen, J. Y. [1 ]
Liu, J. Q. [1 ]
Liu, F. Q. [1 ]
Li, L. [1 ]
Wang, L. J. [1 ]
Wang, Z. G. [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
来源：
INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2011: TERAHERTZ WAVE TECHNOLOGIES AND APPLICATIONS | 2011年 / 8195卷
关键词：
single-mode operation; terahertz; quantum cascade laser; distributed feedback; photonic crystal;
D O I：
10.1117/12.900173
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 design and fabrication of terahertz quantum cascade lasers at about 3 THz that use semi-insulating surface-plasmon waveguide for optical mode confinement The single-mode operations are realized by employing one-dimensional first-order distributed-feedback (DFB) and photonic crystal distributed-feedback (PCDFB) resonators, respectively. The single-mode operation of up to 88 K and peak power of 9.5 mW at 10 K for the DFB devices is obtained. The PCDFB devices also emit a single frequency at above 50 K.
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页数：8
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