Einstein-Podolsky-Rosen Spatial Entanglement in Ordered and Anderson Photonic Lattices

    Authors

    G. Di Giuseppe; L. Martin; A. Perez-Leija; R. Keil; F. Dreisow; S. Nolte; A. Szameit; A. F. Abouraddy; D. N. Christodoulides;B. E. A. Saleh

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    Abbreviated Journal Title

    Phys. Rev. Lett.

    Keywords

    QUANTUM; LOCALIZATION; OPTICS; WALKS; Physics, Multidisciplinary

    Abstract

    We demonstrate quantum walks of a photon pair in a spatially extended Einstein-Podolsky-Rosen state coupled into an on-chip multiport photonic lattice. By varying the degree of entanglement we observe Anderson localization for pairs in a separable state and Anderson colocalization for pairs in an Einstein-Podolsky-Rosen entangled state. In the former case, each photon localizes independently, while in the latter neither photon localizes, but the pair colocalizes-revealing unexpected survival of the spatial correlations through strong disorder. DOI: 10.1103/PhysRevLett.110.150503

    Journal Title

    Physical Review Letters

    Volume

    110

    Issue/Number

    15

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    5

    WOS Identifier

    WOS:000317459300001

    ISSN

    0031-9007

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