Numerical simulation of high-operating-temperature MWIR HgCdTe APD detectors
Received:November 04, 2020  Revised:September 03, 2021  download
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Author NameAffiliationE-mail
SHEN Chuan Key Laboratory of Infrared Imaging Materials and Detectors Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 China shenchuan@mail.sitp.ac.cn 
YANG Liao Key Laboratory of Infrared Imaging Materials and Detectors Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 China  
GUO Hui-Jun Key Laboratory of Infrared Imaging Materials and Detectors Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 China  
YANG Dan Key Laboratory of Infrared Imaging Materials and Detectors Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 China  
CHEN Lu Key Laboratory of Infrared Imaging Materials and Detectors Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 China
Hangzhou Insitute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China 
chenlu@mail.sitp.ac.cn 
HE Li Key Laboratory of Infrared Imaging Materials and Detectors Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 China  
Abstract:In this paper, 2-D numerical simulation was used to simulate the structure of MWIR HgCdTe APD, and the structural parameters of APD devices at 80K were obtained by comparing with the experimental results. At the same time, the influence of dark current mechanism on APD devices at different operating temperatures was studied. The performance of APD devices with the change of each parameter under the condition of high operating temperature was studied. We proposed the optimal HgCdTe APD structure for achieving high performance at 150K. The structure provides an important reference for the subsequent development of APD devices with high operating temperature.
keywords:HgCdTe  APD  numerical simulation  Chigh operating temperature HOT
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《Journal of Infrared And Millimeter Waves》