Superconducting single-photon detectors as smart sensors

W. Słysz; M. Guziewicz; R. Kruszka; A. Klimov; M. Węgrzecki; J. Bar; A. Panas

doi:10.1117/12.2525536

14 May 2019 Superconducting single-photon detectors as smart sensors

W. Słysz, M. Guziewicz, R. Kruszka, A. Klimov, M. Węgrzecki, J. Bar, A. Panas

Proceedings Volume 11054, Superconductivity and Particle Accelerators 2018; 110540F (2019) https://doi.org/10.1117/12.2525536
Event: Superconductivity and Particle Accelerators 2018, 2018, Krakow, Poland

Abstract

We present a new type of a quantum detector, namely, the superconducting single-photon detector (SSPD), and demonstrate that it can be implemented in various single-photon counting applications, ranging from the visible light to near-infrared telecommunication wavelengths. We describe the physics of the photoresponse of a superconducting nanostripe to a flux of single optical photons and present the operation principle of SSPDs, stressing that, currently, they significantly outperform any competing, research or commercial devices in terms of their quantum efficiency, counting rate, jitter, and unwanted dark counts. SSPDs integrated with a cryogenic HEMT read-out circuit can provide some level of both the energy and number resolution of an unknown incident photon flux, making them uniquely suitable for various photon sensing applications.

Citation Download Citation

W. Słysz, M. Guziewicz, R. Kruszka, A. Klimov, M. Węgrzecki, J. Bar, and A. Panas "Superconducting single-photon detectors as smart sensors", Proc. SPIE 11054, Superconductivity and Particle Accelerators 2018, 110540F (14 May 2019); https://doi.org/10.1117/12.2525536

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