Imaging Spatial Quantum Correlations through a thin Scattering Medium

International audienceWe image with cameras entangled photon light transmitted through a thin scattering medium. Near-field and far-field spatial quantum correlations show that entangled photon pairs (bi-photons) generated by spontaneous optical parametric down-conversion exhibit speckle patterns. In contrast, no information from the thin scattering medium can be extracted using incoherent light issued from one photon of the pair