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Marsili F, Bitauld D, Divochiy A, Gaggero A, Leoni R, Mattioli F, et al. Superconducting nanowire photon number resolving detector at telecom wavelength. In: CLEO/QELS. Optical Society of America; 2008. Qmj1 (1 to 2).
Abstract: We demonstrate a photon-number-resolving (PNR) detector, based on parallel superconducting nanowires, capable of resolving up to 5 photons in the telecommunication wavelength range, with sensitivity and speed far exceeding existing approaches.
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Fiore A, Marsili F, Bitauld D, Gaggero A, Leoni R, Mattioli F, et al. Counting photons using a nanonetwork of superconducting wires. In: Cheng M, editor. Nano-Net. Berlin, Heidelberg: Springer Berlin Heidelberg; 2009. p. 120–2.
Abstract: We show how the parallel connection of photo-sensitive superconducting nanowires can be used to count the number of photons in an optical pulse, down to the single-photon level. Using this principle we demonstrate photon-number resolving detectors with unprecedented sensitivity and speed at telecommunication wavelengths.
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