Ghost displacement

Tatsi, Gioan and Zanforlin, Ugo and Buller, Gerald S. and Jeffers, John (2022) Ghost displacement. Proceedings of SPIE, 12133. 1213302. ISSN 0277-786X (

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We describe a technique whereby a coherent amplitude can be imprinted nonlocally on to a beam of light with thermal statistics that has no phase information on average. We have successfully performed the first experimental realisation. The technique could have applications in the sharing of quantum information and in covert quantum imaging scenarios.