Modeling of a vertical hybrid plasmonic switch with VO2 fin bragg grating

Mandeep Singh, Arnab Datta

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A 3-D vertical hybrid plasmonic switch having vanadium oxide (VO2) Bragg grating element inside a silicon waveguide has been modeled and simulated in this letter. Narrow bandwidth (30 nm) switching has been achieved maintaining 11.14-dB extinction ratio (ER) at 1.55 μm, effectively due to tailoring VO2 refractive index via heat-induced phase transition. Furthermore, switching response has been assessed by tailoring the number of VO2 fins within the silicon waveguide, oxide spacer dimension, width and height of the silicon waveguide as well, which have impact on the switch behaviour. From numerical simulations, we have found that for 933.4-nm device length with three VO2 fins 11.14-dB ER and 1.57 figure of merit at 1.55-μm wavelength can be obtained.

Original languageEnglish
Pages (from-to)997-1000
Number of pages4
JournalIEEE Photonics Technology Letters
Volume30
Issue number11
DOIs
Publication statusPublished - 01-06-2018

Fingerprint

Bragg gratings
fins
Silicon
Waveguides
switches
Switches
waveguides
Oxides
extinction
silicon
Vanadium
vanadium oxides
figure of merit
spacers
Refractive index
Phase transitions
refractivity
bandwidth
Bandwidth
heat

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Singh, Mandeep ; Datta, Arnab. / Modeling of a vertical hybrid plasmonic switch with VO2 fin bragg grating. In: IEEE Photonics Technology Letters. 2018 ; Vol. 30, No. 11. pp. 997-1000.
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Modeling of a vertical hybrid plasmonic switch with VO2 fin bragg grating. / Singh, Mandeep; Datta, Arnab.

In: IEEE Photonics Technology Letters, Vol. 30, No. 11, 01.06.2018, p. 997-1000.

Research output: Contribution to journalArticle

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