title: Experimental observation of quantum Talbot effects.
abstract: We report the first experimental observation of quantum Talbot effects with single photons and entangled photon pairs. Both the first- and second-order quantum Talbot self-images are observed experimentally. They exhibit unique properties, which are different from those produced by coherent and incoherent classical light sources. In particular, our experiments show that the revival distance of two-photon Talbot imaging is twice the usual classical Talbot length and there is no net improvement in the resolution, due to the near-field effect of Fresnel diffraction, which is different from the case of previous proof-of-principle quantum lithography experiments in the far field.
authors.affiliation: Department of Physics, Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875, China.
authors.forename: Xin-Bing
authors.initials: XB
authors.lastname: Song
authors.forename: Hai-Bo
authors.initials: HB
authors.lastname: Wang
authors.forename: Jun
authors.initials: J
authors.lastname: Xiong
authors.forename: Kaige
authors.initials: K
authors.lastname: Wang
authors.forename: Xiangdong
authors.initials: X
authors.lastname: Zhang
authors.forename: Kai-Hong
authors.initials: KH
authors.lastname: Luo
authors.forename: Ling-An
authors.initials: LA
authors.lastname: Wu