Abstract
A method for controlling the field distribution of a polygonal surface plasmon polariton (SPP) resonator based on anisotropic zero-index metamaterial (AZIM) is proposed and verified by numerical simulations. Results show that radiation loss at the corner of the polygon SPP resonator can be suppressed; the AZIM is also capable of adjusting the mode number and controlling the field distribution in an SPP resonator. Finally, the AZIM eliminates the transmission delay of surface waves and breaks the limitation of a mode number in direct proportion to the perimeter of the resonator. This may open up a new avenue for manipulating the mode number of SPP resonators at will.
Published Version
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