High-extinction-ratio TE/TM selective Bragg grating filters on silicon-on-insulator

Charalambos Klitis*, Giuseppe Cantarella, Michael J. Strain, Marc Sorel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)
32 Downloads (Pure)

Abstract

We report on the design and fabrication of TE and TM polarization selective Bragg grating filters in the form of sinusoidal perturbations on the waveguide sidewall and etched holes on the top of the waveguide, respectively. Combining the two geometries on a silicon-on-insulator waveguide resulted in Bragg grating filters with high extinction ratios of approximately 60 dB.

Original languageEnglish
Pages (from-to)3040-3043
Number of pages4
JournalOptics Letters
Volume42
Issue number15
Early online date14 Jul 2017
DOIs
Publication statusPublished - 1 Aug 2017

Keywords

  • Bragg grating filters
  • polarization
  • waveguide

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