Substantial enlargement of angular existence range for Dyakonov-like surface waves at semi-infinite metal-dielectric superlattice
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We investigated surface waves guided by the boundary of a semi-infinite layered metal-dielectric nanostructure cut normally to the layers and a semi-infinite dielectric material. Using the Floquet-Bloch formalism, we found that Dyakonov-like surface waves with hybrid polarization can propagate in dramatically enhanced angular range compared to conventional birefringent materials. Our numerical simulations for an Ag-GaAs stack in contact with glass show a low to moderate influence of losses. © 2012 Society of Photo-Optical Instrumentation Engineers (SPIE).
author list (cited authors)
Miret, J. J., Zapata-Rodríguez, C. J., Jakšić, Z., Vuković, S., & Belić, M. R.