Tunable multimode-interference bandpass fiber filter

    Authors

    J. E. Antonio-Lopez; A. Castillo-Guzman; D. A. May-Arrioja; R. Selvas-Aguilar;P. LikamWa

    Comments

    Authors: contact us about adding a copy of your work at [email protected]

    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    RING LASER; OPERATION; Optics

    Abstract

    We report on a wavelength-tunable filter based on multimode interference (MMI) effects. A typical MMI filter consists of a multimode fiber (MMF) spliced between two single-mode fibers (SMF). The peak wavelength response of the filter exhibits a linear dependence when the length of the MMF is modified. Therefore a capillary tube filled with refractive-index-matching liquid is used to effectively increase the length of the MMF, and thus wavelength tuning is achieved. Using this filter a ring-based tunable erbium-doped fiber laser is demonstrated with a tunability of 30 nm, covering the full C-band. (C) 2010 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    35

    Issue/Number

    3

    Publication Date

    1-1-2010

    Document Type

    Article

    Language

    English

    First Page

    324

    Last Page

    326

    WOS Identifier

    WOS:000274196100019

    ISSN

    0146-9592

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