Quantum key distribution at 1550 nm with twin superconducting single-photon detectors. Hadfield, R. H, Habif, J. L, Schlafer, J., Schwall, R. E, & Nam, S. W. Applied physics letters, 89(24):241129, American Institute of Physics, 2006.
bibtex   
@article{hadfield2006quantum,
  title={Quantum key distribution at 1550 nm with twin superconducting single-photon detectors},
  author={Hadfield, Robert H and Habif, Jonathan L and Schlafer, John and Schwall, Robert E and Nam, Sae Woo},
  journal={Applied physics letters},
  volume={89},
  number={24},
  pages={241129},
  year={2006},
  publisher={American Institute of Physics}
}

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