Fidelity and the communication of quantum information

Barnett, Stephen M. and Gilson, Claire R. and Sasaki, Masahide (2001) Fidelity and the communication of quantum information. Journal of Physics A: Mathematical and Theoretical, 34 (35). pp. 6755-6766. ISSN 0305-4470 (https://doi.org/10.1088/0305-4470/34/35/303)

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Abstract

We compare and contrast the error probability and fidelity as measures of the quality of the receiver's measurement strategy for a quantum communications system. The error probability is a measure of the ability to retrieve classical information and the fidelity measures the retrieval of quantum information. We present the optimal measurement strategies for maximizing the fidelity given a source that encodes information on the symmetric qubit-states.

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• Item metadata

  Item type:	Article
  ID code:	5855
  Dates:	Date Event 24 August 2001 Published
  Subjects:	Science > Physics > Optics. Light
  Department:	Faculty of Science > Physics
  Depositing user:	Miss Darcy Spiller
  Date deposited:	29 Apr 2008
  Last modified:	11 Nov 2024 08:37
  Related URLs:	Related item
  URI:	https://strathprints.strath.ac.uk/id/eprint/5855