We investigate a 1D photonic band-gap systems formed by channel waveguide arrays in thin film nematic liquid crystals and observe discrete propagation, self localization, breathing.
Assanto, G., Fratalocchi, A., Karpierz, M., Brzdakiewicz, K. (2006). Linear and Nonlinear discrete light propagation in voltage-tunable photonic lattices. In Int. Italo-Japanese Symposium on Liquid Crystals (pp.3). Pisa : SICL.