Method for characterizing single photon detectors in saturation regime by cw laser

Jungmi Oh, Cristian Antonelli, Moshe Tur, Misha Brodsky

Research output: Contribution to journalArticlepeer-review

Abstract

We derive an analytical expression for the count probability of a single photon detector for a wide range of input optical power that includes afterpulsing effects. We confirm the validity of the expression by fitting it to the data obtained from a saturated commercial Single Photon Detector by illuminating it with a cw laser. Detector efficiency and afterpulsing probability extracted from the fits agree with the manufacture specs for low repetition frequencies.

Original languageEnglish
Pages (from-to)5906-5911
Number of pages6
JournalOptics Express
Volume18
Issue number6
DOIs
StatePublished - 15 Mar 2010

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