Single mode operation of elliptical gain guided and index antiguided fibers

    Authors

    X. Wang; C. Xiong;M. Bass

    Comments

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    Abbreviated Journal Title

    Appl. Phys. B-Lasers Opt.

    Keywords

    OPTICAL-FIBERS; LARGE-CORE; LASERS; Optics; Physics, Applied

    Abstract

    Elliptical gain guiding fibers in which gain guiding effects are dominant compared to conventional index guiding fiber is analyzed by solving Mathieu equations with complex-valued fiber parameters. The properties of mode propagation and single mode operation are evaluated in this elliptical gain guiding fiber with the assumption of a uniform gain distribution in the active core medium. Threshold for lossless mode propagation increases exponentially with the eccentricity of the elliptical cross section. Further, the difference in threshold between the lowest two order modes is constant for arbitrary eccentricity.

    Journal Title

    Applied Physics B-Lasers and Optics

    Volume

    106

    Issue/Number

    2

    Publication Date

    1-1-2012

    Document Type

    Article

    Language

    English

    First Page

    385

    Last Page

    392

    WOS Identifier

    WOS:000299749700020

    ISSN

    0946-2171

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