Unidirectional Surface Plasmon Polariton Excitation on Single Slit with Oblique Backside Illumination |
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| Authors: | Hwi Kim Byoungho Lee |
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| Affiliation: | (1) National Creative Research Center for Active Plasmonics Application Systems, Inter-University Semiconductor Research Center and School of Electrical Engineering, Seoul National University, Gwanak-Gu Gwanakro 599, Seoul, 151-744, Korea |
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| Abstract: | We have theoretically investigated the unidirectional surface plasmon polariton (SPP) excitation on single slits with oblique backside illumination. An aperture diffraction method is devised, from which the conditions of slit width and beam illumination angle for the unidirectional SPP excitation are formulated analytically. The derived unidirectional conditions are validated with vectorial electromagnetic simulation using the rigorous coupled wave analysis. |
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| Keywords: | Surface plasmon polariton Unidirectional excitation Rigorous coupled wave analysis |
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