Effect of line codes and WDM wavelengths on the performance of transmission systems based on the Mach-Zehnder modulator

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Abstract

Simulation studies on the effects of the modulation line codes and WDM wavelengths of the dual-drive Mach-Zehnder modulator are presented. The two coding formats considered are non-return-to-zero (NRZ) and return-to-zero (RZ) operating at 10 and 40 Gbit/s within a wavelength range of 1548-1553 nm. The transmission performance of the compensated system has been evaluated. The results of Q-factor and bit-error-rate (BER) diagrams have shown that NRZ codes are much less affected by the detuning of the WDM wavelengths than the RZ format.

Original languageEnglish
Pages (from-to)92-99
Number of pages8
JournalJournal of Optical Networking
Volume3
Issue number2
Publication statusPublished - 2004

Keywords

  • (060.4080) Fiber optics and optical communications : Modulation
  • (130.1750) Integrated optics : Components

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Computer Networks and Communications
  • Computer Science Applications
  • Electrical and Electronic Engineering

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