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Role of entanglement in two-photon imaging

Ayman F. Abouraddy·Bahaa E. A. Saleh·Alexander V. Sergienko·Malvin C. Teich
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Abstract

The use of entangled photons in an imaging system can exhibit effects that cannot be mimicked by any other two-photon source, whatever the strength of the correlations between the two photons. We consider a two-photon imaging system in which one photon is used to probe a remote (transmissive or scattering) object, while the other serves as a reference. We discuss the role of entanglement versus correlation in such a setting, and demonstrate that entanglement is a prerequisite for achieving distributed quantum imaging.

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Ayman F. Abouraddy, Bahaa E. A. Saleh, Alexander V. Sergienko, Malvin C. Teich. 2001-10-31. Role of entanglement in two-photon imaging. https://doi.org/10.1103/physrevlett.87.123602

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