Talbot self-imaging and two-photon interference in ring-core fibers
Talbot self-imaging and two-photon interference in ring-core fibers
Wave propagation on the surface of cylinders exhibits interferometric self-imaging, much like the Talbot effect in the near-field diffraction at periodic gratings. We report the experimental observation of the cylindrical Talbot carpet in weakly guiding ring-core fibers for classical light fields. We further show that the ring-core fiber acts as …