We present a comprehensive review on the routing of self-confined light-beams in liquid crystals, i.e., generation, propagation and angular steering of self-induced waveguides or spatial solitons in a nonlinear non local dielectric with a large electro-optic response. We describe all-optical routing through soliton-soliton or soliton-beam interactions, as well as voltage-controlled steering in an anisotropic geometry via birefringence or refraction/reflection at a graded interface.
Assanto, G., Peccianti, M. (2007). Routing light at will RID F-7127-2011. JOURNAL OF NONLINEAR OPTICAL PHYSICS AND MATERIALS, 16(1), 37-47 [10.1142/S0218863507003536].