Simulation of Heat Propagation Processes Taking Place in the Detection Pixel of Thermoelectric Single-Photon Detector

被引:5
作者
Kuzanyan, Astghik A. [1 ]
Nikoghosyan, Vahan R. [2 ]
Kuzanyan, Armen S. [2 ,3 ]
机构
[1] NAS Armenia, Inst Phys Res, Ashtarak 0203, Armenia
[2] NAS Armenia, Mat Sci Lab, Inst Phys Res, Ashtarak 0203, Armenia
[3] xNAS Armenia, HTSC Lab, Inst Phys Res, Ashtarak 0203, Armenia
关键词
Photonics; Absorption; Temperature sensors; Detectors; Heating systems; Temperature dependence; Computer simulation; modeling; sensor phenomena and characterization; thermoelectric sensor; THERMAL-CONDUCTIVITY; CAPACITY; LAYERS;
D O I
10.1109/JSEN.2020.3000608
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
We present the results of modeling and simulation of heat propagation processes taking place in SiO2/W/CeB6/W four-layer detection pixel of a thermoelectric single-photon detector after simultaneous absorption of two, three, and four photons with energy 0.8 eV at different distances from each other as well as many photons absorption at different optical delay. Calculations were carried out based on the equation of heat propagation from a limited volume using the three-dimensional matrix method for differential equations. We have shown that a thermoelectric detector is able to count the number of absorbed photons. Detection pixels of usable size and high detection efficiency are found to have a count rate up to 10(14) cps.
引用
收藏
页码:12776 / 12782
页数:7
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