Room- temperature continuous-wave Terahertz generation with an intersubband mid-infrared photomixer

被引：0
|
作者：
Lin, Quyang [1 ]
Lampin, Jean-Francois [1 ]
Ducourneau, Guillaume [1 ]
Li, Hua [2 ]
Peytavit, Emilien [1 ]
Barbieri, Stefano [1 ]
机构：
[1] Univ Polytech Hauts de France, Univ Lille, UMR 8520, Inst Elect Microelect & Nanotechnol,CNRS, Lille, France
[2] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Key Lab Terahertz Solid State Technol, 865 Changning Rd, Shanghai 200050, Peoples R China
来源：
2024 49TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ 2024 | 2024年
关键词：
photomixer; terahertz; intersubband transition; mid-infared;
D O I：
10.1109/IRMMW-THz60956.2024.10697814
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 Terahertz photomixer pumped by midinfrared photons at 10 mu m wavelength is demonstrated. The device active-region consists of an AlGaAs-GaAs multi-quantum-well heterostructure embedded into a matrix of metallic patch-antenna resonators, electrically connected to the arms of a log-spiral antenna. Photocurrent generation through intersubband absorption is obtained by illuminating the device at normal incidence with two single-mode quantum-cascade-lasers operating in continuous-wave. By tuning their difference frequency we obtain free-space generation up to 1THz.
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页数：2
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