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Título

Plasmon molecules in overlapping nanovoids

AutorRomero Pérez, Isabel; Teperik, Tatiana V.; García de Abajo, Francisco Javier
Palabras clavePlasmons
Collective excitations (surface/interface states)
Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
Waveguides, transmission lines, striplines
Fecha de publicación7-mar-2008
EditorAmerican Physical Society
CitaciónPhysical Review B 77, 125403 (2008).
ResumenCoupled and shape-tailored metallic nanoparticles are known to exhibit hybridized plasmon resonances. This paper discusses the optical properties of a complementary system formed by overlapped nanovoid dimers buried in gold and filled with silica. This is an alternative route for plasmon engineering that benefits from vanishing radiation losses. Our analysis demonstrates the possibility of designing artificial plasmon molecules on the basis of void plasmon hybridization, which allows fine mode tuning by varying the overlap between voids. The proposed structures could find application to both signal processing through buried optical elements and tunable-plasmon biosensing.
Descripción4 pp.-- PACS nrs.: 73.20.Mf, 78.67.-n, 84.40.Az.-- Pre-print versions available at: http://arxiv.org/abs/0711.2691.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevB.77.125403
URIhttp://hdl.handle.net/10261/7317
DOI10.1103/PhysRevB.77.125403
ISSN1098-0121
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