High-temperature superconducting nanowires for photon detection

Arpaia, Riccardo, 1985 (author): Chalmers tekniska högskola,Chalmers University of Technology

Ejrnaes, M. (author)

Parlato, L. (author): Universita Degli Studi Di Napoli Federico Ii,University of Naples Federico II

Tafuri, F. (author): Università degli Studi della Campania Luigi Vanvitelli,University of Campania Luigi Vanvitelli

Cristiano, R. (author)

Bauch, Thilo, 1972 (author): Chalmers tekniska högskola,Chalmers University of Technology

Lombardi, Floriana, 1967 (author): Chalmers tekniska högskola,Chalmers University of Technology

Pepe, G. P. (author): Universita Degli Studi Di Napoli Federico Ii,University of Naples Federico II

(creator_code:org_t)

Elsevier BV, 2015
2015
English.
In: Physica C: Superconductivity and its Applications. - : Elsevier BV. - 0921-4534. ; 509, s. 16-21

Related links:: http://dx.doi.org/10...; show more...; https://doi.org/10.1...; https://research.cha...; show less...

Abstract Subject headings

The possible use of high-temperature superconductors (HTS) for realizing superconducting nanowire single-photon detectors is a challenging, but also promising, aim because of their ultrafast electron relaxation times and high operating temperatures. The state-of-the-art HTS nanowires with a 50-nm thickness and widths down to 130 nm have been fabricated and tested under a 1550-nm wavelength laser irradiation. Experimental results presenting both the amplitude and rise times of the photoresponse signals as a function of the normalized detector bias current, measured in a wide temperature range, are discussed. The presence of two distinct regimes in the photoresponse temperature dependence is clearly evidenced, indicating that there are two different response mechanisms responsible for the HTS photoresponse mechanisms.

By the author/editor: Arpaia, Riccardo ...; Ejrnaes, M.; Parlato, L.; Tafuri, F.; Cristiano, R.; Golubev, D.; show more...; Sobolewski, R.; Bauch, Thilo, 19 ...; Lombardi, Floria ...; Pepe, G. P.; show less...

About the subject

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