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Title

Near-field optical phase antennas for long-range plasmon coupling

AuthorsCurto, A.G.; García de Abajo, Francisco Javier
Issue Date2008
PublisherAmerican Chemical Society
CitationNano Letters 8: 2479- 2484 (2008)
AbstractPlasmon-mediated long-range coupling of optical excitations is shown to be attainable using near-field phase antennas involving nanoparticles situated at focal spots. The antennas rely on metal-surface features that are geometrically arranged to produce constructive interference of plasmons emanating from a source spot over a designated image position. Large image-field intensities and focal spots as narrow as onethird of the wavelength are obtained for source-image separations of tens of micrometers. The ability to strongly couple distant focal spots through phase accumulation produced by engineered plasmon scatterers opens up a vast range of possibilities in contactless plasmon sensing, optical interconnects, and microscopy. © 2008 American Chemical Society.
URIhttp://hdl.handle.net/10261/61226
DOI10.1021/nl801502q
Identifiersdoi: 10.1021/nl801502q
issn: 1530-6984
Appears in Collections:(CFMAC-IO) Artículos
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