Fabrication of high- Q chalcogenide photonic crystal resonators by e-beam lithography

Yinlan Ruan*, Myung Ki Kim, Yong He Lee, Barry Luther-Davies, Andrei Rode

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    40 Citations (Scopus)

    Abstract

    The authors report design, fabrication, and characterization of photonic crystal nanocavities in nonlinear chalcogenide glass using e-beam lithography and chemically assisted ion beam etching. The design indicated that three-hole missing cavities with simultaneously modified side hole position and radii showed the maximum quality factor of 14 000, which was insensitive to the fabrication error of side holes. The fabricated cavities presented coupling dips of -2.6 dB at the wavelength of 1550 nm and quality factors up to 10 000 when excited with the evanescent field from a tapered optical fiber.

    Original languageEnglish
    Article number071102
    JournalApplied Physics Letters
    Volume90
    Issue number7
    DOIs
    Publication statusPublished - 2007

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