Field test of quantum key distribution in the Tokyo QKD Network.

  title={Field test of quantum key distribution in the Tokyo QKD Network.},
  author={Masahide Sasaki and Mitsuhiro Fujiwara and Hirokazu Ishizuka and Werner Klaus and Kentaro Wakui and Masahiro Takeoka and Shigehito Miki and Takayuki Yamashita and Zhiqiang Wang and Atau Tanaka and Ken-ichiro Yoshino and Yu Nambu and Shin Takahashi and Akio Tajima and Akihisa Tomita and Tomoyasu Domeki and Teruyuki Hasegawa and Yoichi Sakai and Hisashi Kobayashi and Takahiro Asai and Kazuki Shimizu and Toshiyuki Tokura and Toyohiro Tsurumaru and Mitsuru Matsui and Toshimori Honjo and Kinya Tamaki and Hiroki Takesue and Yasuhiro Tokura and James F. Dynes and Alexander R. Dixon and Andrew Sharpe and Zhiliang Yuan and Andrew J. Shields and S. Uchikoga and Matthieu Legre and S. Robyr and Patrick Trinkler and Laurent Monat and J-B Page and Gregoire Ribordy and Andreas Poppe and A. Allacher and Oliver Maurhart and Thomas L{\"a}nger and Momtchil Peev and Anton Zeilinger},
  journal={Optics express},
  volume={19 11},
A secure communication network with quantum key distribution in a metropolitan area is reported. Six different QKD systems are integrated into a mesh-type network. GHz-clocked QKD links enable us to demonstrate the world-first secure TV conferencing over a distance of 45km. The network includes a commercial QKD product for long-term stable operation, and application interface to secure mobile phones. Detection of an eavesdropper, rerouting into a secure path, and key relay via trusted nodes are… CONTINUE READING
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