Lattice topology and spontaneous parametric down-conversion in quadratic nonlinear waveguide arrays

2015

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DOI 10.1103/physreva.92.033815
Data confidence 70 medium
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Abstract

Control on biphoton correlations is explored with different lattice topologies of 1D quadratic nonlinear waveguide arrays, where topology-associated selection rules for generating biphotons, which could potentially facilitate designs of integrated optical devices for quantum cryptography and information processing, are discovered.