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Updated: Apr 25, 2026

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
Published on: July 29, 2013
Einstein-Podolsky-Rosen spatial entanglement in ordered and anderson photonic lattices
G Di Giuseppe1, L Martin2, A Perez-Leija3
1CREOL, The College of Optics & Photonics, University of Central Florida, Orlando, Florida 32816, USA and School of Science and Technology, University of Camerino, 62032 Camerino, Macerata, Italy.
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.
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