The impact of quenching resistor on single photon detection performance of 4H-SiC APD

Author(s):  
Xin Tan ◽  
Xingye Zhou ◽  
Yuanjie Lv ◽  
Yuangang Wang ◽  
Shixiong Liang ◽  
...  
2014 ◽  
Vol 26 (11) ◽  
pp. 1136-1138 ◽  
Author(s):  
Dong Zhou ◽  
Fei Liu ◽  
Hai Lu ◽  
Dunjun Chen ◽  
Fangfang Ren ◽  
...  

2019 ◽  
Vol 17 (07) ◽  
pp. 1950059
Author(s):  
Adil F. Mushatet ◽  
Shelan K. Tawfeeq

Single-photon detection concept is the most crucial and often difficult factor to determine the performance of quantum key distribution (QKD) systems. One solution to facilitate understanding this concept is to create a virtual environment for modeling, analyzing, and investigating the performance of single photon detectors. In this paper, a simulator for superconducting single photon detectors with time domain visualizer and configurable parameters is presented. The widely used ID281SNSPD in the QKD area was theoretically modeled in terms of pulse analysis, the impact of biasing current and the temperature on the dark counts rate and single photon-detection efficiency and influence of the number of photons per pulse on the single photon-detection efficiency. The simulated results were in good agreement with the theoretical results and the simulator demonstrated its adaptability.


Instruments ◽  
2021 ◽  
Vol 5 (2) ◽  
pp. 18
Author(s):  
Fabio Acerbi ◽  
Anurag Behera ◽  
Alberto Dalla Mora ◽  
Laura Di Sieno ◽  
Alberto Gola

Silicon photomultipliers (SiPM) are pixelated single-photon detectors combining high sensitivity, good time resolution and high dynamic range. They are emerging in many fields, such as time-domain diffuse optics (TD-DO). This is a promising technique in neurology, oncology, and quality assessment of food, wood, and pharmaceuticals. SiPMs can have very large areas and can significantly increase the sensitivity of TD-DO in tissue investigation. However, such improvement is currently limited by the high detector noise and the worsening of SiPM single-photon time resolution due to the large parasitic capacitances. To overcome such limitation, in this paper, we present two single-photon detection modules, based on 6 × 6 mm2 and 10 × 10 mm2 SiPMs, housed in vacuum-sealed TO packages, cooled to −15 °C and −36 °C, respectively. They integrate front-end amplifiers and temperature controllers, being very useful instruments for TD-DO and other biological and physical applications. The signal extraction from the SiPM was improved. The noise is reduced by more than two orders of magnitude compared to the room temperature level. The full suitability of the proposed detectors for TD-DO measurements is outside the scope of this work, but preliminary tests were performed analyzing the shape and the stability of the Instrument Response Function. The proposed modules are thus fundamental building blocks to push the TD-DO towards deeper investigations inside the body.


2021 ◽  
Vol 50 (1) ◽  
pp. 20211016-20211016
Author(s):  
吴静远 Jingyuan Wu ◽  
刘肇国 Zhaoguo Liu ◽  
张彤 Tong Zhang

Science ◽  
2021 ◽  
Vol 372 (6540) ◽  
pp. 356.3-356
Author(s):  
Ian S. Osborne

Materials ◽  
2018 ◽  
Vol 11 (6) ◽  
pp. 869 ◽  
Author(s):  
Andreas Hans ◽  
Philipp Schmidt ◽  
Christian Ozga ◽  
Gregor Hartmann ◽  
Xaver Holzapfel ◽  
...  

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