High Performance Graphene-Based CW THz Photoconductive Detector

被引：0
|
作者：
Jumaah, Alaa Jabbar [1 ]
Al-Daffaie, Shihab [1 ,2 ]
Kusserow, Thomas [1 ]
Monroy, Idelfonso Tafur [2 ]
机构：
[1] Tech Univ Darmstadt, Merckstr 25, D-64283 Darmstadt, Germany
[2] TU Eindhoven, De Groene Loper 3,FLUX 19, Eindhoven, Netherlands
来源：
2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2020年
关键词：
D O I：
10.1109/IRMMW-THZ46771.2020.9370371
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：
New CW THz detectors based on graphene nanoelectrodes photomixer are completely investigated. The graphene nanoelectrodes are placed on low-temperature-grown (LTG) GaAs as photoconductive material. Due to the high transparency and high conductivity of graphene, increasing carrier densities were obtained which leads to the high performance detection of THz induced photocurrent being one order of magnitude higher than for conventional metallic interdigitated photomixer. The THz measurement was performed in the range of 50/GHz to 1.1/THz.
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