Optimal discrimination between overcomplete states

R. Clarke, V.M. Kendon, E. Riis, S.M. Barnett, A. Chefles

Research output: Contribution to conferencePaperpeer-review

Abstract

It is shown how to discriminate between overcomplete sets of quantum states wish minimum error probabilities. It is not possible to distinguish reliably between nonorthogonal states, but given a specific set of N states (N>2 for a two-state system), it is necessary to analyze how well they can be distinguished. This analysis will depend on whatever output is needed, the minimum error or the maximum information.
Original languageEnglish
Publication statusPublished - 15 Sep 2000
Event2000 International Quantum Electronics Conference (IQEC 2000) - Nice, France
Duration: 10 Sep 200015 Sep 2000

Conference

Conference2000 International Quantum Electronics Conference (IQEC 2000)
CityNice, France
Period10/09/0015/09/00

Keywords

  • error analysis
  • probability
  • set theory
  • quantum states
  • quantum optics

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