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Superfast photon counting

The news that superconducting nanowire detectors can detect single photons with a timing precision of just a few picoseconds will benefit applications ranging from sensing to quantum communications.

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Fig. 1: The SNSPD.


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Correspondence to Robert H. Hadfield.

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Hadfield, R.H. Superfast photon counting. Nat. Photonics 14, 201–202 (2020).

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