Nonlinear impairments in mode division multiplexed systems

Ruslan V. Kutluyarov, Vladimir S. Lyubopytov, Valeriy Kh Bagmanov, Albert Kh Sultanov

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    Abstract

    In this paper we consider nonlinear impairments of mode division multiplexed signals with QAM modulation in optical fibers with linear mode coupling of spatial modes. We simulate simultaneous propagation of fundamental mode and two first-order vortex modes in standard single mode fiber at 850 nm and propagation of fundamental mode and first-and second-order vortices in step-index fiber with enlarged core at 1550 nm. Simulation results shows that in strong coupling regime linear coupling lead to sufficient increasing of nonlinear impairments, but QAM-modulated signal is more robust to this effect than OOK modulated signal.

    Original languageEnglish
    Title of host publicationProceedings of SPIE
    Number of pages9
    Volume10774
    PublisherSPIE - International Society for Optical Engineering
    Publication date1 Jan 2018
    Article number107741U
    ISBN (Electronic)9781510621190
    DOIs
    Publication statusPublished - 1 Jan 2018
    Event15th International Conference on Optical Technologies for Telecommunications - Kazan, Russian Federation
    Duration: 20 Nov 201723 Nov 2017
    Conference number: 15

    Conference

    Conference15th International Conference on Optical Technologies for Telecommunications
    Number15
    Country/TerritoryRussian Federation
    CityKazan
    Period20/11/201723/11/2017
    SeriesProceedings of SPIE - The International Society for Optical Engineering
    Volume10774
    ISSN0277-786X

    Keywords

    • few-mode fibers
    • Kerr-nonlinearities
    • mode division multiplexing
    • vortex modes

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