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Superconducting nanowire single-photon detectors for time correlated single photon counting

M. Hofherr, K. Ilin, D. Henrich, Matthias Arndt, M. Siegel, Julia Toussaint, R. Grüner, T. May, Marcel Schubert, H.‐G. Meyer, Benjamin Dietzek, Johannes Popp

Published Jan 1, 2012• 0 citations
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Low timing jitter is a unique merit of superconducting nanowire single-photon detectors (SNSPDs) for time-correlated applications. Quantitative analysis was performed for the SNSPD system. Aided by an oscilloscope with an optimal signal amplitude, we were able to measure a full width at half-maximum system timing jitter as low as 14.2 ps for a high-switching-current SNSPD using a room-temperature low-noise amplifier. When using a time-correlated single-photon counting module, the system timing jitter was 17.3 ps. The detector's intrinsic timing jitter was estimated at ∼12.0 ps.