Invented by Klyshko many years ago with the idea of exploiting the quantum entanglement in photon pairs generated by Parametric Down-Conversion, the ghost imaging technique was also called entangled (two-photon) imaging until recently. It is by now clear that also appropriate classically correlated beams can be used to implement such a technique; the interesting relation between the two kinds of approaches is discussed.
Ghost Imaging
BRAMBILLA, ENRICO;
2006-01-01
Abstract
Invented by Klyshko many years ago with the idea of exploiting the quantum entanglement in photon pairs generated by Parametric Down-Conversion, the ghost imaging technique was also called entangled (two-photon) imaging until recently. It is by now clear that also appropriate classically correlated beams can be used to implement such a technique; the interesting relation between the two kinds of approaches is discussed.
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