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Dark Modes and Fano Resonances in Plasmonic Clusters Excited by Cylindrical Vector Beams


Sancho-Parramon, Jordi; Bosch, Salvador
Dark Modes and Fano Resonances in Plasmonic Clusters Excited by Cylindrical Vector Beams // ACS Nano, 6 (2012), 9; 8415-8423 doi:10.1021/nn303243p (međunarodna recenzija, članak, znanstveni)


Naslov
Dark Modes and Fano Resonances in Plasmonic Clusters Excited by Cylindrical Vector Beams

Autori
Sancho-Parramon, Jordi ; Bosch, Salvador

Izvornik
ACS Nano (1936-0851) 6 (2012), 9; 8415-8423

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Surface plasmon resonance; cylindrical vector beams; focused illumination; nanoparticle; plasmon hybridization; subradiance; near-field enhancement; Fano resonance; electromagnetic cold spots

Sažetak
Control of the polarization distribution of light allows tailoring the electromagnetic response of plasmonic particles. By rigorously extending the generalized multiparticle Mie theory, we show that focused cylindrical vector beams (CVB) can be used to efficiently excite dark plasmon modes in nanoparticle clusters. In addition to the small radiative damping and large field enhancement associated to dark modes, excitation with CVB can give place to unusual phenomenology like the formation of electromagnetic cold spots and the generation of Fano resonances in highly symmetric clusters. Overall, the results show the potential of CVB to tailor the plasmonic response of nanoparticle clusters in a unique way.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-0000000-3191 - Optička svojstva nanostrukturnih slojeva (Hrvoje Zorc, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Autor s matičnim brojem:
Jordi Sancho Parramon, (310502)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


Uključenost u ostale bibliografske baze podataka:


  • MEDLINE


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