All-optical metamaterial switch based on Kerr effect with MWCNT composite

In this paper we analyze an all-optical metamateial switch based on the third order nonlinear optical properties of carbon nanotube (CNT) composite, using FEM numerical method. Because of its tunable nonlinear Kerr effect, the CNT composite is used as the nonlinear layer in metamaterial structures, for all-optical applications. The simulation results based on the calculated effective optical parameters of CNT composite, show a low threshold all-optical switch in the range of visible frequency.