Practical quantum key distribution protocol without monitoring signal disturbance

Toshihiko Sasaki, Yoshihisa Yamamoto and Masato Koashi ()
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Toshihiko Sasaki: Photon Science Center, Graduate School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
Yoshihisa Yamamoto: E. L. Ginzton Laboratory, Stanford University
Masato Koashi: Photon Science Center, Graduate School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan

Nature, 2014, vol. 509, issue 7501, 475-478

Abstract: Conventional quantum cryptography relies on monitoring signal disturbance to make sure that information leakage is negligible; here a new quantum method of achieving security is described, in which little information is leaked to the eavesdropper regardless of the signal disturbance.

Date: 2014
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DOI: 10.1038/nature13303

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