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Single-photon detectors combining high efficiency, high detection rates, and ultra-high timing resolution
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2017 (English)In: APL PHOTONICS, ISSN 2378-0967, Vol. 2, no 11, 111301Article in journal (Refereed) Published
Abstract [en]

Single-photon detection with high efficiency, high time resolution, low dark counts, and high photon detection rates is crucial for a wide range of optical measurements. Although efficient detectors have been reported before, combining all performance parameters in a single device remains a challenge. Here, we show a broadband NbTiN superconducting nanowire detector with an efficiency exceeding 92%, over 150 MHz photon detection rate, and a dark count rate below 130 Hz operated in a Gifford-McMahon cryostat. Furthermore, with careful optimization of the detector design and readout electronics, we reach an ultra-low system timing jitter of 14.80 ps (13.95 ps decoupled) while maintaining high detection efficiencies (>75%).

Place, publisher, year, edition, pages
2017. Vol. 2, no 11, 111301
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Physical Sciences
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URN: urn:nbn:se:kth:diva-220281DOI: 10.1063/1.5000001ISI: 000416826700001OAI: oai:DiVA.org:kth-220281DiVA: diva2:1169112
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QC 20171222

Available from: 2017-12-22 Created: 2017-12-22 Last updated: 2017-12-22Bibliographically approved

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Zwiller, Val

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