National Physical Laboratory

Superconducting Single-Photon Detector for Quantum Optics and Quantum Metrology

Further Information

Published: 30 September 2010

Authors: C R Fitzpatrick, R H Hadfield, A G Sinclair, C M Natarajan, R E Warburton, G S Buller, B Baek, S W Nam, S Miki, M Fujiwara, M Sasaki, Z Wang

Related: Quantum Phenomena


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Single photons can be detected by monitoring the change in voltage along a nanowire.

A superconducting nanowire single-photon detector (SNSPD) that can detect single photons at the wavelengths used for telecommunications was built at Heriot-Watt University and installed at NPL. This will help to support emerging quantum optics technologies for the telecommunications industry that place tough demands on single photon sources and detectors.

Last Updated: 8 May 2014
Created: 10 Mar 2011

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