Dark count probability and quantum efficiency of avalanche photodiodes for single-photon detection
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- 6 October 2003
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 83 (14) , 2955-2957
- https://doi.org/10.1063/1.1616666
Abstract
We propose a physical model that quantitatively describes the behavior of the dark count probability and single-photon quantum efficiency of avalanchediodes under conditions that allow these devices to be used for single-photon detection. The model shows analytically how various physical parameters such as dark current, dc gain, Geiger mode gain, carrier detrap time, pulse repetition rate, etc., can affect the dark count probability and single-photon quantum efficiency of a Geiger mode avalanche photodiode. The theory agrees well with the experimental results.Keywords
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