Spectral narrowing and stabilization of thulium fiber lasers using guided-mode resonance filters

    Authors

    R. A. Sims; Z. A. Roth; C. C. C. Willis; P. Kadwani; T. S. McComb; L. Shah; V. Sudesh; M. Poutous; E. G. Johnson;M. Richardson

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    HIGH-POWER; MU-M; OPERATION; GRATINGS; Optics

    Abstract

    We used guided-mode resonance filters (GMRFs), fabricated using thin-film deposition and chemical etching, as intracavity feedback elements to stabilize and narrow the output spectrum in thulium-doped fiber oscillators operating in the 2 mu m wavelength regime, producing linewidths of < 700pm up to 10W power levels. A Tm fiber-based amplified spontaneous emission source was used to characterize the reflective properties of the GMRFs. Linewidths of 500pm and a 7.3 dB reduction in transmission were measured on resonances. (C) 2011 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    36

    Issue/Number

    5

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    737

    Last Page

    739

    WOS Identifier

    WOS:000287912500048

    ISSN

    0146-9592

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