The transverse spatial effects observed in photon pairs produced by parametric down-
conversion provide a robust and fertile testing ground for studies of quantum mechanics …

Abstract Information is central to quantum mechanics. In particular, quantum interference
occurs only if there exists no information to distinguish between the superposed states. The …

We consider a scheme for coherent imaging that exploits the classical correlation of two
beams obtained by splitting incoherent thermal radiation. This case is analyzed in parallel …

High-resolution ghost image and ghost diffraction experiments are performed by using a
single classical source of pseudothermal speckle light divided by a beam splitter. Passing …

Entangled-photon coincidence imaging is a method to nonlocally image an object by
transmitting a pair of entangled photons through the object and a reference optical system …

Publisher Summary With respect to the classical area of imaging, the field of quantum
imaging (QI) aims to devise novel techniques for optical imaging and parallel information …

We analytically show that it is possible to perform coherent imaging by using the classical
correlation of two beams obtained by splitting incoherent thermal radiation. A formal analogy …

We show that the two-photon state generated in the process of spontaneous parametric
down-conversion in a thin crystal carries information about the angular spectrum of the …

We investigate experimentally fundamental properties of coherent ghost imaging using
spatially incoherent beams generated from a pseudo-thermal source. A complementarity …

Entangled-photon pairs (biphotons) generated by spontaneous optical parametric down-
conversion exhibit a number of properties that are analogous to those of ordinary photons …