Properties of a Nanowire Kinetic Inductance Detector Array

In this paper, we report on the preliminary results of a nanowire kinetic inductance detector, a device which operates as both a standard kinetic inductance detector (KID) and a superconducting nanowire single-photon detector (SNSPD). The device consists of an array of detectors, each with a charact...

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Bibliographic Details
Published in:Journal of low temperature physics 2020-05, Vol.199 (3-4), p.631-638
Main Authors: Glasby, J. S., Sinclair, A. K., Mauskopf, P. D., Mani, H., Zhu, D., Colangelo, M., Berggren, K. K.
Format: Article
Language:English
Subjects:
Arrays
Characterization and Evaluation of Materials
Condensed Matter Physics
Detectors
Inductance
Low temperature physics
Magnetic Materials
Magnetism
Nanowires
Photons
Physics
Physics and Astronomy
Resonant frequencies
Sensors
Transmission lines
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Summary:In this paper, we report on the preliminary results of a nanowire kinetic inductance detector, a device which operates as both a standard kinetic inductance detector (KID) and a superconducting nanowire single-photon detector (SNSPD). The device consists of an array of detectors, each with a characteristic resonant frequency which can be readout and distinguished on a single transmission line. We demonstrate, due to the nanowire’s small volume, a higher responsivity when operating as a KID under optical loading. Operating the device as an SNSPD, we show the sinusoidal pulse generated from an absorbed photon. Multiple detectors can be struck simultaneously while maintaining the capability to distinguish each pixel. Preliminary results show a variation in count rates among the array, and sources are discussed in the text.
ISSN:0022-2291
1573-7357
DOI:10.1007/s10909-019-02288-2