FDTD simulations of 2D plasmon waveguide on silver nanorods in hexagonal lattice

Saj W.

Optics Express

13(13), 2005, 4818-4827, 10.1364/OPEX.13.004818

We present a 2D plasmon waveguide in the form of rows of silver nanorods in hexagonal lattice, that may be used for creating a medium with novel effective electromagnetic properties. Transport of energy due to surface plasmon coupling is investigated with Finite Difference Time Domain method for visible range wavelengths from 400 to 750 nm. For 500 to 750 nm range two-mode nature of the waveguide is shown in simulations. Attenuation factors and group velocities are calculated for transmitted modes.