Long-range plasmonic waveguides with hyperbolic cladding

Viktoriia E. Babicheva, Mikhail Y. Shalaginov, Satoshi Ishii, Alexandra Boltasseva, Alexander V. Kildishev

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Abstract

We study plasmonic waveguides with dielectric cores and hyperbolic multilayer claddings. The proposed design provides better performance in terms of propagation length and mode confinement in comparison to conventional designs, such as metal-insulator-metal and insulator-metal-insulator plasmonic waveguides. We show that the proposed structures support long-range surface plasmon modes, which exist when the permittivity of the core matches the transverse effective permittivity component of the metamaterial cladding. In this regime, the surface plasmon polaritons of each cladding layer are strongly coupled, and the propagation length can be on the order of a millimeter. (c) 2015 Optical Society of America
Original languageEnglish
JournalOptics Express
Volume23
Issue number24
Pages (from-to)31109-31119
ISSN1094-4087
DOIs
Publication statusPublished - 2015

Keywords

  • Integrated optics devices
  • Waveguides
  • Metamaterials
  • Plasmonics

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