Observation of nonclassical effects in the interference of two photons
- 26 October 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 59 (17), 1903-1905
- https://doi.org/10.1103/physrevlett.59.1903
Abstract
By measuring the joint probability for the detection of two photons at two points as a function of the separation between the points, we have demonstrated the existence of nonclassical effects in the interference of signal and idler photons in parametric down-conversion. In principle, the detection of one photon at one point rules out certain positions where the other photon can appear.Keywords
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