Transformation-optics description of nonlocal effects in plasmonic nanostructures
Entity
UAM. Departamento de Física Teórica de la Materia CondensadaPublisher
American Physical SocietyDate
2012-03-06Citation
10.1103/PhysRevLett.108.106802
Physical Review Letters 108.10 (2012): 106802
ISSN
0031-9007 (print); 1079-7114 (online)DOI
10.1103/PhysRevLett.108.106802Funded by
This work was supported by the ESF plasmonbionanosense program, the Leverhulme Trust, and the Engineering and Physical Sciences Research Council (EPSRC)Editor's Version
http://dx.doi.org/10.1103/PhysRevLett.108.106802Subjects
Drude models; Field enhancement; Light-harvesting; Non-local effect; Nonlocal; Nonlocalities; Plasmonic nanostructures; FísicaRights
© 2012 American Physical SocietyAbstract
We develop an insightful transformation-optics approach to investigate the impact that nonlocality has on the optical properties of plasmonic nanostructures. The light-harvesting performance of a dimer of touching nanowires is studied by using the hydrodynamical Drude model, which reveals nonlocal resonances not predicted by previous local calculations. Our method clarifies the interplay between radiative and nonlocal effects in this nanoparticle configuration, which enables us to elucidate the optimum size that maximizes its absorption and field enhancement capabilities
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Google Scholar:Fernández Domínguez, Antonio Isaac
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Wiener, A.
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García Vidal, Fco. José
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Maier, S. A.
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Pendry, J. B.
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