Two-particle interferometry

Michael A. Horne, Abner Shimony, and Anton Zeilinger
Phys. Rev. Lett. 62, 2209 – Published 8 May 1989
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Abstract

An exposition is given of the fundamental ideas of the recently opened field of two-particle interferometry, which employs spatially separated, quantum mechanically entangled two-particle states. These ideas are illustrated by a realizable arrangement, in which four beams are selected from the output of a laser-pumped down-converting crystal, with two beams interferometrically combined at one locus and two at another. When phase shifters are placed in these beams, the coincident count rates at the two loci will oscillate as the phases are varied, but the single count rates will not.

  • Received 30 January 1989

DOI:https://doi.org/10.1103/PhysRevLett.62.2209

©1989 American Physical Society

Authors & Affiliations

Michael A. Horne

  • Department of Physics, Stonehill College, North Easton, Massachusetts 02356

Abner Shimony

  • Department of Philosophy and Department of Physics, Boston University, Boston, Massachusetts 02215

Anton Zeilinger

  • Atominstitut der Österreichischen Universitäten, Schüttelstrasse 115, A-1020 Vienna, Austria
  • Physik Department E21, Technische Universität München, D-8046 Garching, Federal Republic of Germany

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Issue

Vol. 62, Iss. 19 — 8 May 1989

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