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Investigation of Multilevel Phase and Amplitude Modulation Formats in Combination With Polarization Multiplexing up to 240 Gb/s

  • Torger Tokle
  • , Murat Serbay
  • , Jesper Bevensee Jensen
  • , Yan Geng
  • , Werner Rosenkranz
  • , Palle Jeppesen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We present experimental investigations of the receiver sensitivity and dispersion tolerance of multilevel optical communication systems with a symbol rate of 40 Gbaud. Four- and eight-level communication is obtained by combining binary amplitude modulation with either binary or quadrature differential phase modulation. We experimentally compare the dispersion tolerance, and show that multilevel modulation formats offer much better dispersion tolerance compared to binary formats. By combining multilevel modulation with polarization multiplexing, bit rates up to 240 Gb/s were obtained. We demonstrate transmission over 50-km fiber span with no power penalty for a pseudorandom binary sequence length of 27-1 bits.
    Original languageEnglish
    JournalI E E E Photonics Technology Letters
    Volume18
    Issue number20
    Pages (from-to)2090 - 2092
    ISSN1041-1135
    DOIs
    Publication statusPublished - 2006

    Bibliographical note

    Copyright: 2006 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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