Experimental demonstration of kilometer-range quantum digital signatures (CROSBI ID 251986)
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Podaci o odgovornosti
Donaldson, Ross J. ; Collins, Robert J. ; Kleczkowska, Klaudia ; Amiri, Ryan ; Wallden, Petros ; Dunjko, Vedran ; Jeffers, John ; Andersson, Erika ; Buller, Gerald S.
engleski
Experimental demonstration of kilometer-range quantum digital signatures
We present an experimental realization of a quantum digital signature protocol which, together with a standard quantum key distribution link, increases transmission distance to kilometer ranges, three orders of magnitude larger than in previous realizations. The bit rate is also significantly increased compared with previous quantum signature demonstrations. This work illustrates that quantum digital signatures can be realized with optical components similar to those used for quantum key distribution and could be implemented in existing quantum optical fiber networks.
key distribution ; discrete logarithms ; hash functions ; authentication ; system ; fiber ; long
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