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The dispersion properties of the ultrathin spoof slow-wave plasmonic waveguide based on different ultrathin metal strip grooves have been simulated using the finite element method. The dispersion characteristics of the four different surface plasmon polariton (SPP) waves are thoroughly analyzed by the dispersion curves, electric intensity distribution, and power flow distribution. As a conclusion,...
In this paper, we present a novel method to increase photoluminescence (PL) efficiency at the wavelength of 1.53 $\mu$m ($\lambda =$ 1.53 $\mu$m) by depositing Au plasmonic arrays on $\text{SiO}_\text{2}\text{/Er}\text{(Yb/Y)}$ silicates. Theoretical analysis reveals that the PL enhancement is caused by the resonant coupling of surface plasmon polaritons from photoemission in $\text{Er(Yb/Y)}$...
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