Provably secure and practical quantum key distribution over 307 km of optical fibre

@article{Korzh2015ProvablySA,
  title={Provably secure and practical quantum key distribution over 307 km of optical fibre},
  author={Boris A. Korzh and Charles Ci Wen Lim and Raphael Houlmann and Nicolas Gisin and Ming Li and D. A. Nolan and Bruno Sanguinetti and R. Thew and Hugo Zbinden},
  journal={Nature Photonics},
  year={2015},
  volume={9},
  pages={163-168}
}
A discrete-variable quantum key distribution system that is capable of distributing a provably-secure cryptographic key over 307 kilometres is demonstrated at a telecom wavelength. 
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