Analysis of Avalanche Signal Recovery in Sinewave Gated High Speed Single Photon Detectors

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Abstract

A Single Photon Avalanche Diode (SPAD) can detect a single-photon if the reverse bias is greater than the breakdown voltage. In a time-gated SPAD the bias rises above the breakdown voltage only when a photon is expected. The frequency of the gating signal can be configured depending on the detection speed requirement. The benefits of time-gated operation include faster detector response times and low after-pulsing effect. However, this mode of operation also requires to recover the avalanche signal that can be lost in the capacitive response of the SPAD. Numerous techniques have been developed in the past to solve this issue, in this paper we present the impact of the recovery techniques on the avalanche signal in a sinewave gated high speed SPAD. The measurement results show that Chebyshev low-pass filter distorts the avalanche pulse, whereras the signal remains undistorted when using destructive interference.
Original languageEnglish
Title of host publication2020 IEEE Radio and Wireless Symposium (RWS)
Pages341-343
Number of pages3
Publication statusE-pub ahead of print - 30 Mar 2020
Event2020 IEEE Radio and Wireless Symposium (RWS) - Florida, United States
Duration: 26 Jan 202029 Jan 2020
https://www.aconf.org/conf_161576.html

Conference

Conference2020 IEEE Radio and Wireless Symposium (RWS)
Abbreviated titleRWS 2020
CountryUnited States
Period26/01/2029/01/20
Internet address

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