Plasmonic Wavelength Demultiplexer with Mode Conversion Capabilities

U. Aparna, H. S. Mruthyunjaya, M. Sathish Kumar

Research output: Contribution to journalArticle

Abstract

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
JournalPlasmonics
DOIs
Publication statusPublished - 01-04-2018

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Metals
Wavelength
Wavefronts
Waveguides
Finite element method

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biophysics
  • Biochemistry

Cite this

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abstract = "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.",
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Plasmonic Wavelength Demultiplexer with Mode Conversion Capabilities. / Aparna, U.; Mruthyunjaya, H. S.; Sathish Kumar, M.

In: Plasmonics, 01.04.2018, p. 1-7.

Research output: Contribution to journalArticle

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