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Photowritten high-Q cavities in two-dimensional chalcogenide glass photonic crystals

  • Michael W. Lee
  • , Christian Grillet
  • , Snjezana Tomljenovic-Hanic
  • , Eric C. Mägi
  • , David J. Moss
  • , Benjamin J. Eggleton
  • , Xin Gai
  • , Steve Madden
  • , Duk Yong Choi
  • , Douglas A.P. Bulla
  • , Barry Luther-Davies

    Research output: Contribution to journalArticlepeer-review

    36 Citations (Scopus)

    Abstract

    We demonstrate a high-Q (∼125,000) photonic crystal (PhC) cavity formed using a postprocessing optical exposure technique where the refractive index of a photosensitive chalcogenide PhC is modified locally. The evolution of the cavity resonances was monitored in situ during writing using a tapered fiber evanescent coupling system, and the Q of 125,000 represents 1 order of magnitude increase over previously reported cavities in two-dimensional chalcogenide glass PhC.

    Original languageEnglish
    Pages (from-to)3671-3673
    Number of pages3
    JournalOptics Letters
    Volume34
    Issue number23
    DOIs
    Publication statusPublished - 1 Dec 2009

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