Stokes Space-Based Optical Modulation Format Recognition for Digital Coherent Receivers

Robert Borkowski, Darko Zibar, Antonio Caballero Jambrina, Valeria Arlunno, Idelfonso Tafur Monroy

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We present a technique for modulation format recognition for heterogeneous reconfigurable optical networks. The method is based on Stokes space signal representation and uses a variational Bayesian expectation maximization machine learning algorithm. Differentiation between diverse common coherent modulation formats is successfully demonstrated numerically and experimentally. The proposed method does not require training or a constellation diagram to operate, is insensitive to polarization mixing or frequency offset and can be implemented in any receiver capable of measuring Stokes parameters.
    Original languageEnglish
    JournalI E E E Photonics Technology Letters
    Volume25
    Issue number21
    Pages (from-to)2129-2132
    ISSN1041-1135
    DOIs
    Publication statusPublished - 2013

    Keywords

    • Coherent detection
    • Polarization multiplexing
    • Modulation format recognition (MFR)
    • Modulation format detection (MFD)
    • Modulation format identification (MFI)
    • Stokes space
    • Poincaré sphere
    • Variational Bayesian expectation maximization (VBEM)
    • Gaussian mixture models (GMM)

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