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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 15,
  • Issue 3,
  • pp. 305-309
  • (2011)

Design of Plasmonic Slot Waveguide with High Localization and Long Propagation Length

Open Access Open Access


We present an efficient design approach for a plasmonic slot waveguide using a genetic algorithm. The analyzed structure consists of a nanometric slot in a thin metallic film embedded within a dielectric. To achieve high confinement without long propagation length, the thickness and width of the slot are optimally designed in order to optimize the figures of merit including mode confinement and propagation length. The optimized design is based on the finite element method and enhances the guiding and focusing of light power propagation.

© 2011 Optical Society of Korea

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