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Esmaeil Zadeh, I.Z. (author), Chang, J. (author), Van Staaden, Yuri J. (author), Swens, Jeroen P.E. (author), Dobrovolskiy, S.M. (author), Schaart, D.R. (author), Pereira, S.F. (author), Zwiller, Val (author), Dorenbos, S.N. (author)A broad range of scientific and industrial disciplines require precise optical measurements at very low light levels. Single-photon detectors combining high efficiency and high time resolution are pivotal in such experiments. By using relatively thick films of NbTiN (8-11 nm) and improving the pattern fidelity of the nanostructure of the...journal article 2020
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Redaelli, L. (author), Bulgarini, G. (author), Dobrovolskiy, S. (author), Dorenbos, S. N. (author), Zwiller, V.G. (author), Monroy, E (author), Gerard, J.A. (author)In this paper several designs to maximize the absorption efficiency of superconducting-nanowire single-photon detectors are investigated. Using a simple optical cavity consisting of a gold mirror and a SiO<sub>2</sub> layer, the absorption efficiency can be boosted to over 97%: this result is confirmed experimentally by the realization of an...journal article 2016