title: Einstein-Podolsky-Rosen paradox in single pairs of images.
abstract: Spatially entangled twin photons provide a test of the Einstein-Podolsky-Rosen (EPR) paradox in its original form of position (image plane) versus impulsion (Fourier plane). We show that recording a single pair of images in each plane is sufficient to safely demonstrate an EPR paradox. On each pair of images, we have retrieved the fluctuations by subtracting the fitted deterministic intensity shape and then have obtained an intercorrelation peak with a sufficient signal to noise ratio to safely distinguish this peak from random fluctuations. A 95% confidence interval has been determined, confirming a high degree of paradox whatever the considered single pairs. Last, we have verified that the value of the variance of the difference between twin images is always below the quantum (poissonian) limit, in order to ensure the particle character of the demonstration. Our demonstration shows that a single image pattern can reveal the quantum and non-local behavior of light.
authors.forename: Eric
authors.initials: E
authors.lastname: Lantz
authors.forename: Séverine
authors.initials: S
authors.lastname: Denis
authors.forename: Paul-Antoine
authors.initials: PA
authors.lastname: Moreau
authors.forename: Fabrice
authors.initials: F
authors.lastname: Devaux