Low-loss coupling between two single-mode optical fibers with different mode-field diameters using a graded-index multimode optical fiber

    Authors

    A. Mafi; P. Hofmann; C. J. Salvin;A. Schulzgen

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    INTERFERENCE; SENSOR; Optics

    Abstract

    We present a method for ultra-low-loss coupling between two single-mode optical fibers with different mode-field diameters using multimode interference in a graded-index multimode optical fiber. We perform a detailed analysis of the interference effects and show that the graded-index fiber can also be used as a beam expander or condenser. The results are important for devices in which optical fibers with different mode-field diameters are coupled in series, such as in ultra-short-pulse fiber ring lasers, or in optical fiber communication links. (C) 2011 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    36

    Issue/Number

    18

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    3596

    Last Page

    3598

    WOS Identifier

    WOS:000294951100022

    ISSN

    0146-9592

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