Incoherent interaction of nematicons in bias-free liquid-crystal cells

Yana Izdebskaya [email protected] Nonlinear Physics Center, Research School of Physics and Engineering, The Australian National University, Canberra ACT 0200, Australia Vlad Shvedov Nonlinear Physics Center, Research School of Physics and Engineering, The Australian National University, Canberra ACT 0200, Australia Anton Desyatnikov Nonlinear Physics Center, Research School of Physics and Engineering, The Australian National University, Canberra ACT 0200, Australia Wieslaw Krolikowski Laser Physics Center, Research School of Physics and Engineering, The Australian National University, Canberra ACT 0200, Australia Gaetano Assanto NooEL, Department of Electronic Engineering, University of Rome “Roma Tre”, 00146 Rome, Italy Yuri Kivshar Nonlinear Physics Center, Research School of Physics and Engineering, The Australian National University, Canberra ACT 0200, Australia