Phys. Rev. A 60, 1530–1533 (1999)

Quantum interference by a nonlocal double slit

Abstract

References

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E. J. S. Fonseca¹, P. H. Souto Ribeiro², S. Pádua¹, and C. H. Monken^1,*
¹Departamento de Física, Universidade Federal de Minas Gerais, Caixa Postal 702, Belo Horizonte, MG 30123-970, Brazil
²Instituto de Física, Universidade Federal do Rio de Janeiro, Caixa Postal 68.528, Rio de Janeiro 22945-970, RJ, Brazil

Received 18 November 1998; published in the issue dated August 1999

We report an interference experiment in which photon pairs generated by spontaneous parametric down-conversion produce a Young-type fourth-order interference pattern after being scattered by two different and spatially separated apertures, whose superposition defines a double slit. The experiment is compared with previous ones based on parametric down-conversion, and its nonlocal nature is discussed. A theoretical explanation is also provided.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.60.1530

DOI:

10.1103/PhysRevA.60.1530

PACS:

42.50.Ar, 03.65.Bz, 42.50.Dv

^*Author to whom correspondence should be addressed. Electronic address: monken@fisica.ufmg.br

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Phys. Rev. A 60, 1530–1533 (1999)

Quantum interference by a nonlocal double slit