Polarization-maintaining optical fibers (PANDA fibers) are presented for a laser diode redundancy system in a submarine optical repeater. The fibers preserve the polarization of light emitted from laser diodes to a single-mode fiber through a light-switching coupler. Crosstalk of less than - 30 dB is achieved with a 1-meter long fiber having a bend with a radius greater than 10 mm, twists of less than 60 turns/meter, and tension of less than 3 kg over the temperature range of - 20 to 80 C. The mechanical strength of these fibers is the same as that of single-mode fibers.


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    Title :

    Polarization-maintaining optical fibers used for a laser diode redundancy system in a submarine optical repeater


    Additional title:

    Polarisierungserhaltende optische Fasern fuer ein Laserdioden-Redundanzsystem in einem optischen Unterwasserverstaerker


    Contributors:
    Sasaki, Y. (author) / Hosaka, T. (author) / Noda, J. (author)


    Publication date :

    1987


    Size :

    8 Seiten, 18 Quellen


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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