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Título : Plasmon molecules in overlapping nanovoids
Autor : Romero Pérez, Isabel; Teperik, Tatiana V.; García de Abajo, Francisco Javier
Palabras clave : Plasmons
Collective excitations (surface/interface states)
Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
Waveguides, transmission lines, striplines
Fecha de publicación : 7-mar-2008
Editor: American Physical Society
Citación : Physical Review B 77, 125403 (2008).
Resumen: Coupled 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.
Descripción : 4 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 editor: http://dx.doi.org/10.1103/PhysRevB.77.125403
URI : http://hdl.handle.net/10261/7317
DOI: 10.1103/PhysRevB.77.125403
ISSN: 1098-0121
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