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. 2012 Feb 15;37(4):545-7.
doi: 10.1364/OL.37.000545.

Surface Plasmon Polariton Compression Through Radially and Linearly Polarized Source

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Surface Plasmon Polariton Compression Through Radially and Linearly Polarized Source

Remo Proietti Zaccaria et al. Opt Lett. .

Abstract

We report on the possibility of realizing a radial mode on a metallic conical structure by means of a linearly polarized incident wave. This result is utilized for observing surface plasmon polaritons adiabatic compression on a tapered conical nanostructure. The ingredients for radial mode generation are described in terms of phase-matching of the components of the electromagnetic field. We conclude by showing the robustness of this approach, explaining the polaritonic behavior as a function of the device geometry.

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