Demonstration of mid-infrared waveguide photonic crystal cavities

    Authors

    H. T. Lin; L. Li; F. Deng; C. Y. Ni; S. Danto; J. D. Musgraves; K. Richardson;J. J. Hu

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    PHOTOTHERMAL SPECTROSCOPY; RING-RESONATOR; SILICON; MICROCAVITIES; FABRICATION; GLASSES; DESIGN; Optics

    Abstract

    We have demonstrated what we believe to be the first waveguide photonic crystal cavity operating in the mid-infrared. The devices were fabricated from Ge23Sb7S70 chalcogenide glass (ChG) on CaF2 substrates by combing photolithographic patterning and focused ion beam milling. The waveguide-coupled cavities were characterized using a fiber end fire coupling method at 5.2 mu m wavelength, and a loaded quality factor of similar to 2000 was measured near the critical coupling regime. (C) 2013 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    38

    Issue/Number

    15

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    2779

    Last Page

    2782

    WOS Identifier

    WOS:000322576200045

    ISSN

    0146-9592

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