Short monolithic dual-wavelength single-longitudinal-mode DBR phosphate fiber laser

    Authors

    L. Y. Xiong; P. Hofmann; A. Schulzgen; N. Peyghambarian;J. Albert

    Comments

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    Abbreviated Journal Title

    Appl. Optics

    Keywords

    SEMICONDUCTOR OPTICAL AMPLIFIER; SIMPLE LINEAR CAVITY; MICROWAVE; GENERATION; BRAGG GRATINGS; FREQUENCY FIBER; OUTPUT POWER; POLARIZATION; Optics

    Abstract

    We propose and demonstrate a 5-cm-long monolithic dual-wavelength single-longitudinal mode distributed Bragg reflector (DBR) all-phosphate fiber laser. Strong UV-induced fiber Bragg gratings are directly written in highly Er/Yb codoped phosphate fiber. The separation between gratings is selected as 1 cm to only excite two longitudinal modes in the DBR cavity. By exploiting the spatial hole burning effect and the polarization hole burning effect, stable narrow-linewidth dual-wavelength lasing emission with 38 pm wavelength spacing and a total emitted power of 2.8 mW is obtained from this DBR fiber laser. A microwave signal at 4.58 GHz is generated by the heterodyne detection of the dual-wavelength laser. (C) 2014 Optical Society of America

    Journal Title

    Applied Optics

    Volume

    53

    Issue/Number

    18

    Publication Date

    1-1-2014

    Document Type

    Article

    Language

    English

    First Page

    3848

    Last Page

    3853

    WOS Identifier

    WOS:000338442800004

    ISSN

    1559-128X

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