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Título: | Local and anisotropic excitation of surface plasmon polaritons by semiconductor nanowires |
Autor: | Rümke, T.M.; Sánchez-Gil, José A. CSIC ORCID ; Muskens, O.L.; Rümke, M.T.; Bakkers, E.P.; Gómez Rivas, J. | Palabras clave: | surface plasmons nanowires luminescence |
Fecha de publicación: | 31-mar-2008 | Editor: | Optical Society of America | Citación: | Optics Express 16, 5013-5021 (2008) | Resumen: | We demonstrate a novel functionality of semiconductor nanowires as local sources for surface plasmon polaritons (SPPs). Photoexcited semiconductor nanowires decay non-radiatively exciting SPPs when they are on top of a metallic surface. We have investigated the anisotropic excitation of SPPs by nanowires by placing individual InP nanowires inside gold bullseye gratings. The gratings serve to couple SPPs to free space radiation that is detected with a scanning confocal microscope. The circular geometry of the grating allows to conclude that SPPs are preferentially generated in the direction along the nanowire axis. | Descripción: | © 2008 Optical Society of America | Versión del editor: | http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-7-5013 | URI: | http://hdl.handle.net/10261/7690 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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