Subwavelength grating filtering devices

Wang, Junjia and Glesk, Ivan and Chen, Lawrence R. (2014) Subwavelength grating filtering devices. Optics Express, 22 (13). pp. 15335-15345. ISSN 1094-4087 (https://doi.org/10.1364/OE.22.015335)

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Abstract

We propose and simulate the characteristics of optical filters based on subwavelength gratings. In particular, we demonstrate through numerical simulations the feasibility of implementing SWG Bragg gratings in silicon-on-insulator (SOI). We also propose SWG ring resonators in SOI and verify their operation using numerical simulations and experiments. The fabricated devices exhibit an extinction ratio as large as 30 dB and a Q-factor as high as ~20,000. These fundamental SWG filters can serve as building blocks for more complex devices.

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• Item metadata

  Item type:	Article
  ID code:	48843
  Dates:	Date Event 30 June 2014 Published 17 June 2014 Published Online 10 June 2014 Accepted
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	26 Jun 2014 10:20
  Last modified:	22 Apr 2024 00:25
  URI:	https://strathprints.strath.ac.uk/id/eprint/48843