CUED Publications database

Efficient photon number detection with silicon avalanche photodiodes

Thomas, O and Yuan, ZL and Dynes, JF and Sharpe, AW and Shields, AJ (2010) Efficient photon number detection with silicon avalanche photodiodes. Applied Physics Letters, 97. ISSN 0003-6951

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Abstract

We demonstrate an efficient photon number detector for visible wavelengths using a silicon avalanche photodiode. Under subnanosecond gating, the device is able to resolve up to four photons in an incident optical pulse. The detection efficiency at 600 nm is measured to be 73.8%, corresponding to an avalanche probability of 91.1% of the absorbed photons, with a dark count probability below 1.1× 10 per gate. With this performance and operation close to room temperature, fast-gated silicon avalanche photodiodes are ideal for optical quantum information processing that requires single-shot photon number detection. © 2010 American Institute of Physics. -6

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:13
Last Modified: 15 Apr 2021 06:40
DOI: 10.1063/1.3464556