Nonlocal study of ultimate plasmon hybridization

Søren Raza, Martijn Wubs, Sergey I. Bozhevolnyi, N. Asger Mortensen

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Abstract

Within our recently proposed generalized nonlocal optical response (GNOR) model, where nonlocal response is included by taking into account both convective and diffusive currents of the conduction electrons, we revisit the fundamental problem of an optically excited plasmonic dimer. We consider the transition from separated dimers via touching dimers to finally overlapping dimers. In particular, we focus on the touching case, showing a fundamental limit on the hybridization of the bonding plasmon modes due to nonlocality. Using transformation optics, we determine a simple analytical equation for the resonance energies. (C) 2015 Optical Society of America
Original languageEnglish
JournalOptics Letters
Volume40
Issue number5
Pages (from-to)839-842
ISSN0146-9592
DOIs
Publication statusPublished - 2015

Keywords

  • OPTICS
  • NANOWIRE DIMERS
  • NANOPARTICLES
  • NANOSTRUCTURES
  • physics.optics

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