Generating mutual coherence from incoherence with the help of a phase-conjugate mirror
- 1 March 1996
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 53 (3), 1782-1785
- https://doi.org/10.1103/physreva.53.1782
Abstract
Although the signal and idler light beams produced in the process of spontaneous parametric down-conversion are mutually incoherent and exhibit no one-photon interference, interference effects should be observable after either the signal or the idler is reflected by a phase-conjugate mirror. The degree of coherence can, in principle, be as large as unity. We refer to the relationship between the signal and the idler produced by down-conversion as anticoherent and introduce a natural measure for the degree of anticoherence. © 1996 The American Physical Society.Keywords
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