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\bibitem{Vetter_etal2016} Vetter, A., Ferrari, S., Rath, P., Alaee, R., Kahl, O., Kovalyuk, V., et al. (2016). Cavity-enhanced and ultrafast superconducting single-photon detectors. \textit{Nano Lett.}, \textit{16}(11), 7085--7092.

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