Crosstalk in 1.5-μm InGaAsP optical amplifiers

H. E. Lassen, Peter Bukhave Hansen, Kristian Stubkjær

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    Abstract

    A dynamical model for multichannel amplification by near-traveling-wave optical amplifiers is presented, and results on crosstalk induced by either amplitude modulation or frequency modulation are given. The mechanisms influencing the crosstalk most are the residual facet reflectivities and the detuning of the channels relative to the amplifier Fabry-Perot spectrum. Calculations of worst-case crosstalk levels are included. The model is verified experimentally for amplitude-modulated signals, and crosstalk levels up to -7 dB are reported. For frequency-modulated signals, estimated crosstalk is significantly lower and can be reduced by high quality facet coatings
    Original languageEnglish
    JournalJournal of Lightwave Technology
    Volume6
    Issue number10
    Pages (from-to)1559-1565
    ISSN0733-8724
    DOIs
    Publication statusPublished - 1988

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    Copyright: 1988 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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