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Mukhtarova, Anna (author), Redaelli, Luca (author), Hazra, Dibyendu (author), Machhadani, Houssaine (author), Lequien, Stéphane (author), Hofheinz, Max (author), Thomassin, Jean Luc (author), Gustavo, Frederic (author), Zichi, J.R. (author), Zwiller, V.G. (author), Monroy, Eva (author), Gerard, J.A. (author)
Superconducting-nanowire single photon detectors (SNSPDs) are able to reach near-unity detection efficiency in the infrared spectral range. However, due to the intrinsic asymmetry of nanowires, SNSPDs are usually very sensitive to the polarization of the incident radiation, their responsivity being maximum for light polarized parallel to the...
journal article 2018
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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