Measurement-based tailoring of Anderson localization of partially coherent light
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We put forward an experimental configuration to observe transverse Anderson localization of partially coherent light beams with a tunable degree of first-order coherence. The scheme makes use of entangled photons propagating in disordered waveguide arrays and is based on the unique relationship between the degree of entanglement of a pair of photons and the coherence properties of the individual photons constituting the pair. The scheme can be readily implemented with current waveguide-on-a-chip technology, and surprisingly the tunability of the coherence properties of the individual photons is done at the measurement stage, without resorting to changes of the light source itself.
CitationSvozilik, J.; Perina, J.; Juan P. Torres. Measurement-based tailoring of Anderson localization of partially coherent light. "Physical review. A, general physics", 08 Maig 2014, vol. 83, p. 053808-1-053808-6.