Maximum confidence measurements and their optical implementation

S. Croke, P. J. Mosley, S. M. Barnett, I. A. Walmsley

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Perfect discrimination between non-orthogonal states is forbidden by the laws of quantum mechanics. Several strategies to discriminate optimally between states of an arbitrary set exist, and many of these have been implemented in experiments using optical polarisation. In this paper we discuss maximum confidence measurements and their recent optical implementation.

Original languageEnglish
Pages (from-to)589-598
Number of pages10
JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Issue number3
Publication statusPublished - Mar 2007


  • nonorthogonal quantum states
  • optimal distinction
  • differentiate
  • fidelity


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