"Fast and slow propagations of surface plasmon polaritons on metallic m" by Aeshah Muqri, Young Joong Choi et al.
 

Fast and slow propagations of surface plasmon polaritons on metallic mesh gratings

Document Type

Article

Publication Date

9-7-2018

Abstract

© 2018 IOP Publishing Ltd. Surface plasmon polariton (SPP) generations on silver-based metal-insulator-metal (MIM) cross mesh gratings were studied by polychromatic and monochromatic specular reflection. Centimeter area scale mesh grating samples were made using soft-lithography imprinting with a varied micro-sized array pitch. The mesh structures support multiple SPP orders with a periodicity-influenced mode generation. For the (±1, 0) SPP modes steep dispersions thus high SPP group velocities Vg were obtained over an extended wavelength range of propagation. Vg were found to achieve a maximum at frequencies closer to the mesh periodicity.

Publication Title

Journal of Optics (United Kingdom)

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