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Extensions of Bell Theorem: Experiment Involving Independent Sources in “Event-Ready” Configuration

  • M. Żukowski
  • A. Zeilinger
  • M. A. Horne
  • A. Ekert
Part of the Fundamental Theories of Physics book series (FTPH, volume 73)

Abstract

With two independent parametric down-converters one can realize an “event-ready” Bell-EPR experiment. Monitoring for sharply coincident idlers results in entangling and pre-selecting the independent signals, which are then fed into an interferometric setup. We give the general conditions for high visibility and particle collection efficiency for Bell-type experiments involving two independent sources. These ideas can also lead to a realizable GHZ experiment.

Key words

“event ready” detectors independent sources entanglement swapping. 

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Copyright information

© Springer Science+Business Media Dordrecht 1995

Authors and Affiliations

  • M. Żukowski
    • 1
    • 2
  • A. Zeilinger
    • 1
  • M. A. Horne
    • 3
  • A. Ekert
    • 1
    • 4
  1. 1.Institut fuer ExperimentalphysikUnversitaet InnsbruckAustria
  2. 2.Instut Fizyki Teoretycznej i AstrofizykiUniwersytet GdanskiPoland
  3. 3.Stonehill CollegeNorth EastonUSA
  4. 4.Merton CollegeOxford UniversityUK

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