Controlling the degree of visibility of Young’s fringes with photon coincidence measurements

P. H. S. Ribeiro, S. Pádua, J. C. Machado da Silva, and G. A. Barbosa
Phys. Rev. A 49, 4176 – Published 1 May 1994
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Abstract

Is it possible to detect the interference from an extended incoherent source with Young’s slits when the source-slits distance is such that all dimensions of the coherence area of the incident light beam are smaller than the distance between the slits? We have experimentally demonstrated that, under the above conditions, interference fringes can be obtained with a controlled degree of visibility by means of coincidence measurements between conujugated beams of the down-conversion luminescence.

  • Received 6 December 1993

DOI:https://doi.org/10.1103/PhysRevA.49.4176

©1994 American Physical Society

Authors & Affiliations

P. H. S. Ribeiro, S. Pádua, J. C. Machado da Silva, and G. A. Barbosa

  • Departamento de Física, Instituto de Ciênicas Exatas, Universidade Federal de Minas Gerais, Caixa Postal 702, CEP 30161-970, Belo Horizonte, Minas Gerais, Brazil

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Vol. 49, Iss. 5 — May 1994

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