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Amplitude distributions of dark counts and photon counts in NbN superconducting single-photon detectors integrated with the HEMT readout
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2017 (English)In: PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, ISSN 0921-4534, Vol. 532, p. 33-39Article in journal (Refereed) Published
Abstract [en]

We present a new operation regime of NbN superconducting single-photon detectors (SSPDs) by integrating them with a low-noise cryogenic high-electron-mobility transistor and a high-load resistor. The integrated sensors are designed to get a better understanding of the origin of dark counts triggered by the detector, as our scheme allows us to distinguish the origin of dark pulses from the actual photon pulses in SSPDs. The presented approach is based on a statistical analysis of amplitude distributions of recorded trains of the SSPD photoresponse transients. It also enables to obtain information on energy of the incident photons, as well as demonstrates some photon-number-resolving capability of meander-type SSPDs.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 532, p. 33-39
Keywords [en]
Single-photon detector, Superconducting nanostructure, Dark counts, Photon-number resolution, Superconducting single-photon detector, Cryogenic HEMT readout
National Category
Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:kth:diva-200189DOI: 10.1016/j.physc.2016.11.008ISI: 000390676800006Scopus ID: 2-s2.0-85003823195OAI: oai:DiVA.org:kth-200189DiVA, id: diva2:1067781
Note

QC 20170123

Available from: 2017-01-23 Created: 2017-01-23 Last updated: 2017-01-23Bibliographically approved

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Zwiller, Val
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