Bezryadina, AnnaNeshev, DragomirDesyatnikov, Anton SYoung, JackChen, ZhigangKivshar, Yuri2015-12-07May 21-261557528136http://hdl.handle.net/1885/22027We explore theoretically and experimentally the transformations of phase structure and angular momentum of vortex beams in two-dimensional photonic lattices due to the combined effects of nonlinearity and periodicity.Keywords: Combined effects; Non linearities; Photonic lattices; Topological transformations; Vortex beams; Lasers; Photonics; Quantum electronics; Two dimensional; Vortex flow; Electron opticsObservation of topological transformations of vortices in two-dimensional lattices200610.1109/CLEO.2006.46288712016-02-24