High Performance Graphene-Based CW THz Photoconductive Detector

Authors :: Shihab Al-Daffaie
Thomas Kusserow
Alaa Jumaah
Idelfonso Tafur Monroy
Terahertz Systems
Center for Terahertz Science and Technology Eindhoven
Center for Quantum Materials and Technology Eindhoven
Terahertz Photonic Systems
Source :: 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 725-726, STARTPAGE=725;ENDPAGE=726;TITLE=2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
Publication Year :: 2021
Publisher :: Institute of Electrical and Electronics Engineers, 2021.
Abstract: 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.

Language :: English
Database :: OpenAIRE
Journal :: 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 725-726, STARTPAGE=725;ENDPAGE=726;TITLE=2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
Accession number :: edsair.doi.dedup.....7ded00761767cc3ad17cfeeea459307e
Full Text :: https://doi.org/10.1109/IRMMW-THz46771.2020.9370371