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dc.contributor.author
Volpe, Giorgio
dc.contributor.author
Volpe, Giovanni
dc.contributor.author
Quidant, Romain
dc.date.accessioned
2020-07-10T10:24:48Z
dc.date.available
2020-07-09T08:17:49Z
dc.date.available
2020-07-10T10:24:48Z
dc.date.issued
2011-02-14
dc.identifier.issn
1094-4087
dc.identifier.other
10.1364/OE.19.003612
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/425466
dc.description.abstract
Plasmonic nanostructures offer a great potential to enhance light-matter interaction at the nanometer scale. The response upon illumination at a given wavelength and polarization is governed by the characteristic lengths associated to the shape and size of the nanostructure. Here, we propose the use of engineered fractal plasmonic structures to extend the degrees of freedom and the parameters available for their design. In particular, we focus on a paradigmatic fractal geometry, namely the Sierpinski carpet. We explore the possibility of using it to achieve a controlled broadband spectral response by controlling the degree of its fractal complexity. Furthermore, we investigate some other arising properties, such as subdiffraction limited focusing and its potential use for optical trapping of nano-objects. An attractive advantage of the focusing over more standard geometries, such as gap antennas, is that it occurs away from the metal surface (≈ 80nm) at the center of the nanostructure, leaving an open space accessible to objects for enhanced light-matter interaction. © 2011 Optical Society of America.
en_US
dc.language.iso
en
en_US
dc.publisher
Optical Society of America
en_US
dc.title
Fractal plasmonics: subdiffraction focusing and broadband spectral response by a Sierpinski nanocarpet
en_US
dc.type
Journal Article
dc.date.published
2011-02-09
ethz.journal.title
Optics Express
ethz.journal.volume
19
en_US
ethz.journal.issue
4
en_US
ethz.journal.abbreviated
Opt. Express
ethz.pages.start
3612
en_US
ethz.pages.end
3618
en_US
ethz.publication.place
Washington, DC
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02668 - Inst. f. Energie- und Verfahrenstechnik / Inst. Energy and Process Engineering::09698 - Quidant, Romain / Quidant, Romain
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02668 - Inst. f. Energie- und Verfahrenstechnik / Inst. Energy and Process Engineering::09698 - Quidant, Romain / Quidant, Romain
en_US
ethz.date.deposited
2020-07-09T08:17:58Z
ethz.source
BATCH
ethz.eth
no
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2020-07-10T10:25:08Z
ethz.rosetta.lastUpdated
2021-02-15T15:24:25Z
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true
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true
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