Nematicons across interfaces: anomalous refraction and reflection of solitons in liquid crystals

M. Peccianti and G. Assanto

Opt. Express 15, 8021-8028 (2007)


The robustness of nematicons, i. e. spatial solitons in nematic liquid crystals, can be exploited to implement counter-intuitive negative reflection and refraction schemes for optical signal manipulation at interfaces.