Dispersion characterization of chalcogenide bulk glass, composite fibers, and robust nanotapers

    Authors

    S. Shabahang; G. M. Tao; J. J. Kaufman;A. F. Abouraddy

    Comments

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    Abbreviated Journal Title

    J. Opt. Soc. Am. B-Opt. Phys.

    Keywords

    PHOTONIC CRYSTAL FIBER; S-SE GLASSES; OPTICAL-FIBERS; SUPERCONTINUUM; GENERATION; CHROMATIC DISPERSION; NONLINEAR PROPERTIES; RAMAN GAIN; REFRACTIVE-INDEX; LASER-PULSES; DOPED FIBER; Optics

    Abstract

    We report the results of systematic measurements of the group velocity dispersion (GVD) in chalcogenide glass (ChG) bulk samples, composite ChG fibers, and robust high-index-contrast nanotapers. The composite ChG-polymer fibers are drawn from an extruded multimaterial preform incorporating a thick built-in polymer jacket that is thermally compatible with the ChG used, and the nanotapers are then produced without removing the polymer. We isolate the contributions of material and waveguide GVD to the total dispersion in the nanotapers and support the results with finite-element simulations. These results indicate many possibilities for dispersion engineering and nonlinearity enhancement in all-solid index-guiding ChG fibers stemming from the flexibility of this fiber fabrication methodology. (C) 2013 Optical Society of America

    Journal Title

    Journal of the Optical Society of America B-Optical Physics

    Volume

    30

    Issue/Number

    9

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    2498

    Last Page

    2506

    WOS Identifier

    WOS:000323931200020

    ISSN

    0740-3224

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