Experimental demonstration of kilometer-range quantum digital signatures

Donaldson, Ross J. and Collins, Robert J. and Kleczkowska, Klaudia and Amiri, Ryan and Wallden, Petros and Dunjko, Vedran and Jeffers, John and Andersson, Erika and Buller, Gerald S. (2016) Experimental demonstration of kilometer-range quantum digital signatures. Physical Review A, 93 (1). 012329. ISSN 1050-2947 (https://doi.org/10.1103/PhysRevA.93.012329)

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Abstract

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.

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• Item metadata

  Item type:	Article
  ID code:	57668
  Dates:	Date Event 19 January 2016 Published 5 November 2015 Accepted
  Subjects:	Science > Physics
  Department:	Faculty of Humanities and Social Sciences (HaSS) > Strathclyde Institute of Education > Education Faculty of Science > Physics
  Depositing user:	Pure Administrator
  Date deposited:	02 Sep 2016 13:07
  Last modified:	08 Apr 2024 22:46
  Related URLs:	Scopus publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/57668