Fidelity for imperfect postselection

Craig S. Hamilton, John Jeffers

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We describe a simple measure of fidelity for mixed state postselecting devices. The measure is most appropriate for postselection where the task performed by the output is only effected by a specific state.

Original languageEnglish
Pages (from-to)-
Number of pages7
JournalPhysical Review A
Volume76
Issue number5
DOIs
Publication statusPublished - Nov 2007

Keywords

  • quantum theory
  • beam splitter
  • retrodiction
  • photons
  • optics
  • qubits

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