Tunable Antenna Coupled Intersubband Terahertz Detector

被引：0
|
作者：
Gautam, Nutan [1 ]
Kawamura, Jonathan [2 ]
Chahat, Nacer [2 ]
Karasik, Boris [2 ]
Focardi, Paolo [2 ]
Gulkis, Samuel [2 ]
Pfeiffer, Loren [3 ]
Sherwin, Mark [1 ]
机构：
[1] Univ Calif Santa Barbara, Inst Terahertz Sci & Technol, Santa Barbara, CA 93106 USA
[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[3] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
来源：
2014 39TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2014年
关键词：
D O I：
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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 on the development of a tunable antenna coupled intersubband terahertz (TACIT) detector based on GaAs/AlGaAs two dimensional electron gas. A successful device design and micro-fabrication process have been developed which maintain the high mobility (1.1x10(6) cm(2)/V-s at 10K) of a 2DEG channel in the presence of a highly conducting backgate. Gate voltage-controlled device resistance and direct THz sensing has been observed. The goal is to operate as a nearly quantum noise limited heterodyne sensor suitable for passively-cooled space platforms.
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页数：2
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