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Título: | Excitation and emission enhancement of single molecule fluorescence through multiple surface-plasmon resonances on metal trimer nanoantennas |
Autor: | Giannini, V. CSIC ORCID; Sánchez-Gil, José A. CSIC ORCID | Palabras clave: | metallic nanoantennas surface plasmons fluorescence |
Fecha de publicación: | 1-may-2008 | Editor: | Optical Society of America | Citación: | Optics Letters 33, 899 (2008) | Resumen: | We study theoretically the light scattering from trimers of metal nanowires, with emphasis on the occurrence of multiple surface-plasmon resonances, showing that such resonances can be exploited to achieve twofold-enhanced fluorescence from a single molecule placed in the nanotrimer gaps, even if excitation and emission frequencies are separated. Pump enhancement stems from the local field enhancement coinciding with one of the resonances, whereas a strong enhancement of the radiative decay rate (and quantum yield) is revealed at a different resonance, leading to a large overall signal emission. | Descripción: | © 2008 Optical Society of America | Versión del editor: | http://www.opticsinfobase.org/ol/viewmedia.cfm?URI=ol-33-9-899&seq=0 | URI: | http://hdl.handle.net/10261/7660 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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