Handedness-sensitive emission of surface plasmon polaritons by elliptical nanohole ensembles

Optics Express
Boris B TsemaDin Ping Tsai

Abstract

We report handedness-sensitive surface plasmon polariton (SPP) emission in mirror-symmetric ensembles of elliptical nanoholes made in a thin gold film. It is found by means of rigorous calculations and scanning near-field optical microscopy that SPP excitation direction depends on the direction of circularly polarized illumination E-vector rotation. An analytical model based on anisotropic polarizability of each nanohole is presented. Both the experimental and calculated results are in agreement with Curie's principle, and contribute to better understanding of symmetry in plasmonics.

References

Apr 2, 2007·Optics Express·Stéphane CollinJean-Luc Pelouard
Jun 11, 2007·Optics Express·Hung Ji HuangDin Ping Tsai
Oct 14, 2010·Optics Express·Wei Ting ChenDin Ping Tsai
Dec 29, 2010·Nano Letters·Zheyu FangXing Zhu
Sep 16, 2011·Nano Letters·Zheyu FangXing Zhu

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Citations

Apr 3, 2014·Optics Letters·Francisco J Rodríguez-FortuñoAlejandro Martínez

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