Coupling light to a localized surface plasmon-polariton

Mario Agio; Gert Zumofen; Nassiredin M. Mojarad; Vahid Sandoghdar

doi:10.1117/12.825912

2 September 2009 Coupling light to a localized surface plasmon-polariton

Mario Agio, Gert Zumofen, Nassiredin M. Mojarad, Vahid Sandoghdar

Proceedings Volume 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V; 739512 (2009) https://doi.org/10.1117/12.825912
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

Abstract

We investigate the interaction of focused Gaussian and radially-polarized beams with a silver nanosphere, with emphasis on the coupling to localized surface plasmon-polaritons. We discuss the overall efficiency, including the effect of the entrance pupil and of absorption in the nanosphere, showing that a Gaussian beam performs better than a radially-polarized beam, when focused by an aplanatic system. We find that more than 50% of the photons in the incident beam can be reflected using realistic focusing parameters.

Citation Download Citation

Mario Agio, Gert Zumofen, Nassiredin M. Mojarad, and Vahid Sandoghdar "Coupling light to a localized surface plasmon-polariton", Proc. SPIE 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V, 739512 (2 September 2009); https://doi.org/10.1117/12.825912

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