title: Nonlinear photonic lattices in anisotropic nonlocal self-focusing media.
abstract: We analyze theoretically and generate experimentally two-dimensional nonlinear lattices with periodic phase modulation in a photorefractive medium. The light-induced periodically modulated nonlinear refractive index is highly anisotropic and nonlocal, and it depends on the lattice orientation relative to the crystal axis. We discuss the stability of such induced photonic structures and their guiding properties.
authors.affiliation: Nonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia.
authors.forename: Anton S
authors.initials: AS
authors.lastname: Desyatnikov
authors.forename: Dragomir N
authors.initials: DN
authors.lastname: Neshev
authors.forename: Yuri S
authors.initials: YS
authors.lastname: Kivshar
authors.forename: Nina
authors.initials: N
authors.lastname: Sagemerten
authors.forename: Denis
authors.initials: D
authors.lastname: Träger
authors.forename: Johannes
authors.initials: J
authors.lastname: Jägers
authors.forename: Cornelia
authors.initials: C
authors.lastname: Denz
authors.forename: Yaroslav V
authors.initials: YV
authors.lastname: Kartashov