International Journal of Optics / 2012 / Article / Fig 3

Review Article

Nanoscale Plasmonic Devices Based on Metal-Dielectric-Metal Stub Resonators

Figure 3

(a) Schematic of a plasmonic waveguide system consisting of a periodic array of two MDM stub resonators side-coupled to a MDM waveguide. (b) Dispersion relation of the plasmonic waveguide system of Figure 2(a) calculated using FDFD (red dashed line). Results are shown for a silver-air structure with 𝑑 = 3 0 0  nm, 𝐿 1 = 3 6 0  nm, 𝐿 2 = 1 6 0  nm, and 𝑤 = 5 0  nm. Also shown is the dispersion relation for lossless metal (black solid line). (c) Magnetic field profile for the structure of (a) for 𝐿 1 = 3 6 0  nm, 𝐿 2 = 1 6 0  nm, 𝑤 = 5 0  nm at 𝑓 = 1 9 4  THz.

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