| Citation: |
Nong Li, Dongwei Jiang, Guowei Wang, Weiqiang Chen, Wenguang Zhou, Junkai Jiang, Faran Chang, Hongyue Hao, Donghai Wu, Yingqiang Xu, Guiying Shen, Hui Xie, Jingming Liu, Youwen Zhao, Fenghua Wang, Zhichuan Niu. The measurement of responsivity of infrared photodetectors using a cavity blackbody[J]. Journal of Semiconductors, 2023, 44(10): 102301. doi: 10.1088/1674-4926/44/10/102301
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N Li, D W Jiang, G W Wang, W Q Chen, W G Zhou, J K Jiang, F R Chang, H Y Hao, D H Wu, Y Q Xu, G Y Shen, H Xie, J M Liu, Y W Zhao, F H Wang, Z C Niu. The measurement of responsivity of infrared photodetectors using a cavity blackbody[J]. J. Semicond, 2023, 44(10): 102301. doi: 10.1088/1674-4926/44/10/102301
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The measurement of responsivity of infrared photodetectors using a cavity blackbody
DOI: 10.1088/1674-4926/44/10/102301
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Abstract
For the measurement of responsivity of an infrared photodetector, the most-used radiation source is a blackbody. In such a measurement system, distance between the blackbody, the photodetector and the aperture diameter are two parameters that contribute most measurement errors. In this work, we describe the configuration of our responsivity measurement system in great detail and present a method to calibrate the distance and aperture diameter. The core of this calibration method is to transfer direct measurements of these two parameters into an extraction procedure by fitting the experiment data to the calculated results. The calibration method is proved experimentally with a commercially extended InGaAs detector at a wide range of blackbody temperature, aperture diameter and distance. Then proof procedures are further extended into a detector fabricated in our laboratory and consistent results were obtained. -
References
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Nong Li:got his bachelor’s degree in 2017 from the University of Electronic Science and Technology of China and his master’s degree in 2020 from the University of Chinese Academy of Sciences. He is currently doing his PhD program at the University of Chinese Academy of Sciences under the supervision of Prof. Zhichuan Niu. His research focuses on the design, material growth, fabrication and characterization of infrared photodetectors
Dongwei Jiang:graduated with a PhD from Harbin Institute of Technology in 2016. He is a postdoctoral fellow at the Institute of Semiconductors, Chinese Academy of Sciences and is currently serving as an associate researcher. He has been conducting research on antimonide superlattice infrared detectors and is proficient in detector theoretical structure design, material epitaxy, and device fabrication
Zhichuan Niu:is a researcher at the Institute of Semiconductors, Chinese Academy of Sciences, Chief Professor of Quantum Optoelectronics at the College of Material Science and Optoelectronics of the University of Chinese Academy of Sciences. His main research fields are compound semiconductor materials and quantum optoelectronic devices, semiconductor quantum dot quantum light source devices, near-infrared communication band quantum dot/quantum well lasers, and arsenic and antimony compound semiconductor optoelectronic devices