Open AccessAnalysis of single photon detector based on the reflection of coaxial cables
Author(s) -
Nan Chen,
Huang Gang-Feng,
Jindong Wang,
Zhengjun Wei,
Jianping Guo,
Changjun Liao,
Songhao Liu
Publication year - 2010
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.59.5338
Subject(s) - detector , transient (computer programming) , physics , coaxial , reflection (computer programming) , optics , signal (programming language) , photon , avalanche photodiode , noise (video) , biasing , coaxial cable , photodiode , voltage , optoelectronics , telecommunications , computer science , quantum mechanics , artificial intelligence , cable gland , image (mathematics) , programming language , operating system
In this paper are analyzed the characteristics of the single photon detector (SPD) with using coaxial cables as reflection lines to cancel transient spikes noises, particularly,the characteristics of variations in bias voltage of the avalanche photodiode (APD) and output signal. Based on the theoretical analyses,the principle of the timing relation between single photon pulses and the two gate pluses is discussed. Also, the condition and the effect of transient spikes cancellation are achieved. And the minimal detecting period is obtained. Finally,we conduct some experiments to verify our theory. In our experiment,the noise rejection ratio is 25.1dB. The results accord with our theory satisfactorily. Our results will be helpful in designing and optimizing single photon detectors.