Fabrication of planar photonic crystals in a chalcogenide glass using a focused ion beam

Darren Freeman*, Steve Madden, Barry Luther-Davies

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    117 Citations (Scopus)

    Abstract

    Free-standing "AMTIR-1" (Ge33As12Se 55) chalcogenide glass films have been patterned using a focused ion beam (FIB) to create two-dimensional photonic crystal membranes. The triangular lattices were selected for a photonic bandgap relevant to fiber telecommunications. Optical measurements of transmission spectra as a function of incident angle showed clear signs of Fano resonances, indicating that the structures had strongly modified guided modes.

    Original languageEnglish
    Pages (from-to)3079-3086
    Number of pages8
    JournalOptics Express
    Volume13
    Issue number8
    DOIs
    Publication statusPublished - Apr 2005

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