Polarization-Independent Wideband High-Index-Contrast Grating Mirror

Dagmawi Alemayehu Bekele, Gyeong Cheol Park, Radu Malureanu, Il-Sug Chung

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Abstract

Island-type two-dimensional high-index-contrast grating mirror based on a standard silicon-on-insulator wafer have been experimentally demonstrated. The measured spectra shows a bandwidth of ∼192 nm with a reflectivity over 99% as well as polarization independence. Numerical simulations show that the designed mirror has large tolerance to fabrication errors.
Original languageEnglish
JournalIEEE photonic Technology Letters
Volume27
Issue number16
Pages (from-to)1733-1736
ISSN1041-1135
DOIs
Publication statusPublished - 2015

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Keywords

  • High index contrast
  • VCSEL
  • Polarization
  • Subwavelength grating

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