The research progress and application of novel terahertz detectors
Received:March 03, 2019  Revised:April 16, 2020  download
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Author NameAffiliationE-mail
ZHANG Yu-Ping Kunming Institute of Physics, Kunming 650223, China 
TANG Li-Bin Kunming Institute of Physics, Kunming 650223, China 
LIU Yu-Fei Key Laboratory of Optoelectronic Technology & Systems, Chongqing University, Chongqing 400044, China,3. College of Engineering, Swansea University, Swansea SA1 8EN, United Kingdom,4. Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China  
Teng Kar Seng 斯旺西大学工程学院  
WU Gang Kunming Institute of Physics, Kunming 650223, China  
HU Wei-Da 中国科学院上海技术物理研究所  
HAN Fu-Zhong Kunming Institute of Physics, Kunming 650223, China  
Abstract:Terahertz waves have many unique electrical and optical properties, which have significant applications in both civil and military fields, such as physics, biology, public safety inspection, local area communication, information security, environmental monitoring, non-destructive testing and defense technology etc. Terahertz detector is one of the core components in a terahertz system. Therefore, its application is usually determined by the characteristic and performance of the detector. In recent years, there are some major breakthroughs in the development of terahertz detectors. However, there are still technology challenges that limit the application of such device. For example, room temperature terahertz detectors exhibited a large noise equivalent power and low sensitivity. This is in contrast to cooled terahertz detectors, which demonstrated high response rate and low noise equivalent power, but they cannot be miniaturized and are costly. This paper provides a summary and discussion on the recent development and application of terahertz detectors from the aspect of material preparation and device configuration.
keywords:terahertz detectors,materials,research progress,application status
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