All-optical Landau-Zener tunneling in waveguide arrays

Andrea Fratalocchi and Gaetano Assanto

Opt. Express 14, 2021-2026 (2006)


We investigate Landau-Zener all-optical tunneling in a voltage-controlled waveguide array realized in undoped nematic liquid crystals. From the material governing equations we derive the original Zener model and demonstrate a novel approach to Floquet-band tunneling.