Superconducting photon number resolving counter for near infrared applications

A. Korneev; A. Divochiy; F. Marsili; D. Bitauld; A. Fiore; V. Seleznev; N. Kaurova; M. Tarkhov; O. Minaeva; G. Chulkova; K. Smirnov; A. Gaggero; R. Leoni; F. Mattioli; K. Lagoudakis; M. Benkhaoul; F. Levy; G. Goltsman

doi:10.1117/12.818079

18 November 2008 Superconducting photon number resolving counter for near infrared applications

A. Korneev, A. Divochiy, F. Marsili, D. Bitauld, A. Fiore, V. Seleznev, N. Kaurova, M. Tarkhov, O. Minaeva, G. Chulkova, K. Smirnov, A. Gaggero, R. Leoni, F. Mattioli, K. Lagoudakis, M. Benkhaoul, F. Levy, G. Goltsman

Author Affiliations +

Proceedings Volume 7138, Photonics, Devices, and Systems IV; 713828 (2008) https://doi.org/10.1117/12.818079
Event: Photonics, Devices, and Systems IV, 2008, Prague, Czech Republic

Abstract

We present a novel concept of photon number resolving detector based on 120-nm-wide superconducting stripes made of 4-nm-thick NbN film and connected in parallel (PNR-SSPD). The detector consisting of 5 strips demonstrate a capability to resolve up to 4 photons absorbed simultaneously with the single-photon quantum efficiency of 2.5% and negligibly low dark count rate.

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A. Korneev, A. Divochiy, F. Marsili, D. Bitauld, A. Fiore, V. Seleznev, N. Kaurova, M. Tarkhov, O. Minaeva, G. Chulkova, K. Smirnov, A. Gaggero, R. Leoni, F. Mattioli, K. Lagoudakis, M. Benkhaoul, F. Levy, and G. Goltsman "Superconducting photon number resolving counter for near infrared applications", Proc. SPIE 7138, Photonics, Devices, and Systems IV, 713828 (18 November 2008); https://doi.org/10.1117/12.818079

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