%0 Journal Article
%T Detecting single infrared photons with 93% system efficiency
%A Marsili, F.
%A Verma, V. B.
%A Stern, J. A.
%A Harrington, S.
%A Lita, A. E.
%A Gerrits, T.
%A Vayshenker, I.
%A Baek, B.
%A Shaw, M. D.
%A Mirin, R. P.
%A Nam, S. W.
%J Nat. Photon.
%D 2013
%V 7
%N 3
%F Marsili_etal2013
%O exported from refbase (https://db.rplab.ru/refbase/show.php?record=1056), last updated on Sat, 17 Oct 2015 23:50:27 -0500
%X Single-photon detectors1 at near-infrared wavelengths with high system detection efficiency (>90%), low dark count rate (<1 c.p.s.), low timing jitter (<100 ps) and short reset time (<100 ns) would enable landmark experiments in a variety of fields2, 3, 4, 5, 6. Although some of the existing approaches to single-photon detection fulfil one or two of the above specifications1, to date, no detector has met all of the specifications simultaneously. Here, we report on a fibre-coupled single-photon detection system that uses superconducting nanowire single-photon detectors7 and closely approaches the ideal performance of single-photon detectors. Our detector system has a system detection efficiency (including optical coupling losses) greater than 90% in the wavelength range λ = 1,520–1,610 nm, with a device dark count rate (measured with the device shielded from any background radiation) of ~1 c.p.s., timing jitter of ~150 ps full-width at half-maximum (FWHM) and reset time of 40 ns.
%K SSPD quantum efficiency
%R 10.1038/nphoton.2013.13
%U https://doi.org/10.1038/nphoton.2013.13
%P 210-214