Quasi-periodic distribution of plasmon modes in two-dimensional Fibonacci arrays of metal nanoparticles

Ramona Dallapiccola, Ashwin Gopinath, Francesco Stellacci, Luca Dal Negro

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

In this paper we investigate for the first time the near-field optical behavior of two-dimensional Fibonacci plasmonic lattices fabricated by electron-beam lithography on transparent quartz substrates. In particular, by performing near-field optical microscopy measurements and three dimensional Finite Difference Time Domain simulations we demonstrate that near-field coupling of nanoparticle dimers in Fibonacci arrays results in a quasi-periodic lattice of localized nanoparticle plasmons. The possibility to accurately predict the spatial distribution of enhanced localized plasmon modes in quasi-periodic Fibonacci arrays can have a significant impact for the design and fabrication of novel nano-plasmonics devices.

Original languageEnglish
Pages (from-to)5544-5555
Number of pages12
JournalOptics Express
Volume16
Issue number8
DOIs
Publication statusPublished - Apr 14 2008

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near fields
nanoparticles
metals
plasmons
spatial distribution
lithography
quartz
dimers
electron beams
microscopy
fabrication
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Quasi-periodic distribution of plasmon modes in two-dimensional Fibonacci arrays of metal nanoparticles. / Dallapiccola, Ramona; Gopinath, Ashwin; Stellacci, Francesco; Dal Negro, Luca.

In: Optics Express, Vol. 16, No. 8, 14.04.2008, p. 5544-5555.

Research output: Contribution to journalArticle

Dallapiccola, Ramona ; Gopinath, Ashwin ; Stellacci, Francesco ; Dal Negro, Luca. / Quasi-periodic distribution of plasmon modes in two-dimensional Fibonacci arrays of metal nanoparticles. In: Optics Express. 2008 ; Vol. 16, No. 8. pp. 5544-5555.
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