Ghost-pulse generation suppression in phase-modulated 40-Gb/s RZ transmission

Andrey V. Kanaev, Gregory G. Luther, Vassilios Kovanis, Scott R. Bickham, Jan Conradi

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


40-Gb/s return-to-zero (RZ) transmission in strong dispersion maps is limited by single-channel four-wave mixing. Appropriate phase modulation of the signal suppresses generation of the ghost pulses. Duobinary and modified duobinary encoding produce cancellation of nonlinear interaction while carrier-suppressed RZ generates perturbations that add up coherently.

Original languageEnglish
Pages (from-to)1486-1489
Number of pages4
JournalJournal of Lightwave Technology
Issue number6
Publication statusPublished - Jun 2003


  • Dispersion management
  • Four-wave mixing (FWM)
  • Modulation formats

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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