Issue 3, 2023

The dependence of timing jitter of superconducting nanowire single-photon detectors on the multi-layer sample design and slew rate

Abstract

We investigated the timing jitter of superconducting nanowire single-photon detectors (SNSPDs) and found a strong dependence on the detector response. By varying the multi-layer structure, we observed changes in pulse shape which are attributed to capacitive behaviour affecting the pulse heights, rise times and consequently timing jitter. Moreover, we developed a technique to predict the timing jitter of a single device within certain limits by capturing only a single detector pulse, eliminating the need for detailed jitter measurement using a pulsed laser when a rough estimate of the timing jitter is sufficient.

Graphical abstract: The dependence of timing jitter of superconducting nanowire single-photon detectors on the multi-layer sample design and slew rate

Article information

Article type
Paper
Submitted
16 Aug. 2022
Accepted
13 Dec. 2022
First published
16 Dec. 2022

Nanoscale, 2023,15, 1086-1091

The dependence of timing jitter of superconducting nanowire single-photon detectors on the multi-layer sample design and slew rate

R. Flaschmann, L. Zugliani, C. Schmid, S. Spedicato, S. Strohauer, F. Wietschorke, F. Flassig, J. J. Finley and K. Müller, Nanoscale, 2023, 15, 1086 DOI: 10.1039/D2NR04494C

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