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Hadfield, R. H., Habif, J. L., Schlafer, J., Schwall, R. E., & Nam, S. W. (2006). Quantum key distribution at 1550 nm with twin superconducting single-photon detectors. Appl. Phys. Lett., 89(24), 241129.
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Stucki, D., Walenta, N., Vannel, F., Thew, R. T., Gisin, N., Zbinden, H., et al. (2009). High rate long-distance quantum key distribution over 250 km of ultra low loss fibres. New J. Phys., 11(7), 075003.
Abstract: We present a fully automated quantum key distribution prototype running at 625 MHz clock rate. Taking advantage of ultra low loss fibres and low-noise superconducting detectors, we can distribute 6,000 secret bits per second over 100 km and 15 bits per second over 250km.
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