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On-chip generation of Einstein-Podolsky-Rosen states with arbitrary symmetry

: Gräfe, Markus; Heilmann, René; Nolte, Stefan; Szameit, Alexander


Applied Physics Letters 106 (2015), No.18, Art. 181106
ISSN: 0003-6951
ISSN: 1077-3118
Journal Article
Fraunhofer IOF ()

We experimentally demonstrate a method for integrated-optical generation of two-photon Einstein-Podolsky-Rosen states featuring arbitrary symmetries. In our setting, we employ detuned directional couplers to impose a freely tailorable phase between the two modes of the state. Our results allow to mimic the quantum random walk statistics of bosons, fermions, and anyons, particles with fractional exchange statistics.