Optimum position of isolators within erbium-doped fibers

Ole Lumholt, Kim Schüsler, Anders Overgaard Bjarklev, Svend Dahl-petersen, Jørn Hedegaard Povlsen, Thomas Rasmussen, Karsten Rottwitt

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    Abstract

    An isolator is used as an amplified spontaneous emission suppressing component within an erbium-doped fiber. The optimum isolator placement is both experimentally and theoretically determined and found to be slightly dependent upon pump power. Improvements of 4 dB in gain and 2 dB in noise figure are measured for the optimum isolator location at 25% of the fiber length when the fiber is pumped with 60 mW of pump power at 1.48 μm
    Original languageEnglish
    JournalI E E E Photonics Technology Letters
    Volume4
    Issue number6
    Pages (from-to)568-570
    ISSN1041-1135
    DOIs
    Publication statusPublished - 1992

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    Copyright: 1992 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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