Plasmonic Wavelength Demultiplexer with Mode Conversion Capabilities

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7 Citations (Scopus)


An efficient wavelength demultiplexer with its input as a metal-insulator-metal (MIM) waveguide mode and output an out of plane free-space mode is proposed. The proposed demultiplexer design is integrated on a MIM waveguide such that power is evanescently coupled into an array of appropriately designed cavity-groove combination. The demultiplexer design permits control of phase of the dropped wavelength to achieve a desired wavefront. We demonstrate this through generation of circular and plane wavefront. By controlling the evanescently coupled power into the cavity-groove combinations, it is possible to dramatically improve the efficiency of the proposed demultiplexer. Results are simulated using FEM technique.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
Publication statusPublished - 01-04-2018

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biophysics
  • Biochemistry


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