Simultaneous multiple channel all-optical NRZ to CSRZ and RZ to CSRZ format conversion using an SOA-NOLM

M.H.A. Wahid, M.M. Nahas, R.A. Ibbotson, Keith J. Blow

Research output: Contribution to journalArticlepeer-review

Abstract

The optical conversion bandwidth for an all-optical modulation format converter, based on a semiconductor laser amplifier in a nonlinear optical loop mirror (SOA-NOLM), is investigated. 4×10 Gbit/s channels are all-optically converted between both non-return-to-zero (NRZ) and return-to-zero (RZ) format to carrier-suppressed return-to-zero (CSRZ). WDM transmission of the converted signals over a 194 km fibre span is then demonstrated. The receiver sensitivity for the converted four wavelengths is measured and compared after transmission.

Original languageEnglish
Pages (from-to)55-58
Number of pages4
JournalOptics Communications
Volume332
DOIs
Publication statusPublished - Dec 2014

Bibliographical note

NOTICE: this is the author’s version of a work that was accepted for publication in Optics communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Wahid, MHA, Nahas, MM, Ibbotson, RA & Blow, KJ, 'Simultaneous multiple channel all-optical NRZ to CSRZ and RZ to CSRZ format conversion using an SOA-NOLM' Optics communications, vol. 332 (2014) DOI http://dx.doi.org/10.1016/j.optcom.2014.06.038

Keywords

  • CSRZ format conversion
  • SOA-NOLM
  • WDM transmission

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