https://doi.org/10.1140/epjst/e2008-00738-3
Generation of counterpropagating entangled photons out of continuous wave classical pump field
Laboratory of Quantum Optics, Faculty of Natural Sciences, Palacký University, Třída Svobody 26, 77146 Olomouc, Czech Republic
Recently, counterpropagating entangled photons have been analyzed to the first order of the perturbation theory. Applying the coupled-mode theory and performing ad hoc quantization, we get a similar result.
© EDP Sciences, Springer-Verlag, 2008