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15 October 2012 Unveiling optical hidden correlations: the illusionist game
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Abstract
Optical correlations represent a resource for the development of technologies with very promising opportunities for future widespread applications.1–14 Here we will show, both theoretically and experimentally, the optical illusionist game, an innovative protocol that exploit correlations between thermal beams of light.15 In the game, an illusionist demonstrates that if two uncorrelated light beams excited in the same state are mixed in a beam splitter (BS), then no correlations arise between them. On the other hand, the presence of the BS can be identified by the illusionist when the public is asked to insert the BS behind the illusionist’s back. Here we unveil the trick and the physics that explain these counterintuitive correlations. 1
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Giorgio Brida, Ivo Pietro Degiovanni, Marco Genovese, Alice Meda, Stefano Olivares, and Matteo Paris "Unveiling optical hidden correlations: the illusionist game", Proc. SPIE 8518, Quantum Communications and Quantum Imaging X, 85180C (15 October 2012); https://doi.org/10.1117/12.929439
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