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

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, ri...

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Bibliographic Details
Published inarXiv.org
Main Authors Flaschmann, R, Zugliani, L, Schmid, C, Spedicato, S, Strohauer, S, Wietschorke, F, Flassig, F, Finley, J J, Müller, K
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 17.12.2022
Subjects
Detectors
Nanowires
Photons
Pulse shape
Pulsed lasers
Timing jitter
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Summary: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.
ISSN:2331-8422