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quant-ph2021★ 1 cited
Sorkin parameter for type-I spontaneous parametric down-conversion biphotons and matter waves
F. C. V. de Brito, C. H. S. Vieira, I. G. da Paz +2
We propose experimental measurements of the logarithmic negativity, which quantifies quantum correlations using Gouy phase measurements in an asymmetric double-slit interference ex…
quant-ph2020★ 4 cited
Gouy phase of type-I SPDC-generated biphotons
F. C. V. de Brito, I. G. da Paz, Brigitte Hiller +2
We consider a double Gaussian approximation to describe the wavefunction of twin photons (also called a biphoton) created in a nonlinear crystal via a type-I spontaneous parametric…