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Non-plasmonic nanoantennas for surface enhanced spectroscopies with ultra-low heat conversion.
Caldarola, Martín; Albella, Pablo; Cortés, Emiliano; Rahmani, Mohsen; Roschuk, Tyler; Grinblat, Gustavo; Oulton, Rupert F; Bragas, Andrea V; Maier, Stefan A.
Afiliação
  • Caldarola M; Laboratorio de Electrónica Cuántica, Departamento de Física, FCEN, Universidad de Buenos Aires, Intendente Güiraldes 2160, C1428EGA Buenos Aires, Argentina - IFIBA CONICET, Argentina.
  • Albella P; The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK.
  • Cortés E; The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK.
  • Rahmani M; The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK.
  • Roschuk T; The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK.
  • Grinblat G; Laboratorio de Electrónica Cuántica, Departamento de Física, FCEN, Universidad de Buenos Aires, Intendente Güiraldes 2160, C1428EGA Buenos Aires, Argentina - IFIBA CONICET, Argentina.
  • Oulton RF; The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK.
  • Bragas AV; Laboratorio de Electrónica Cuántica, Departamento de Física, FCEN, Universidad de Buenos Aires, Intendente Güiraldes 2160, C1428EGA Buenos Aires, Argentina - IFIBA CONICET, Argentina.
  • Maier SA; The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK.
Nat Commun ; 6: 7915, 2015 Aug 04.
Article em En | MEDLINE | ID: mdl-26238815
Nanoplasmonics has recently revolutionized our ability to control light on the nanoscale. Using metallic nanostructures with tailored shapes, it is possible to efficiently focus light into nanoscale field 'hot spots'. High field enhancement factors have been achieved in such optical nanoantennas, enabling transformative science in the areas of single molecule interactions, highly enhanced nonlinearities and nanoscale waveguiding. Unfortunately, these large enhancements come at the price of high optical losses due to absorption in the metal, severely limiting real-world applications. Via the realization of a novel nanophotonic platform based on dielectric nanostructures to form efficient nanoantennas with ultra-low light-into-heat conversion, here we demonstrate an approach that overcomes these limitations. We show that dimer-like silicon-based single nanoantennas produce both high surface enhanced fluorescence and surface enhanced Raman scattering, while at the same time generating a negligible temperature increase in their hot spots and surrounding environments.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Nat Commun Assunto da revista: BIOLOGIA / CIENCIA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Argentina País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Nat Commun Assunto da revista: BIOLOGIA / CIENCIA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Argentina País de publicação: Reino Unido