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Classical characterization of biphoton correlation in waveguide lattices

: Keil, R.; Dreisow, F.; Heinrich, M.; Tünnermann, A.; Nolte, S.; Szameit, A.


Physical Review. A 83 (2011), No.1, Art. 013808, 4 pp.
ISSN: 0556-2791
ISSN: 1050-2947
ISSN: 1094-1622
Journal Article
Fraunhofer IOF ()

We propose a classical experimental scheme for simulating quantum correlations of path-entangled biphotons, propagating in arbitrary one- or two-dimensional arrays of evanescently coupled waveguides. Our approach requires only intensity and phase measurements and can be used to characterize the evolution of the biphoton wave packet. The precision of the method and its robustness to phase fluctuations are investigated by a statistical analysis.