All-optical wavelength conversion and signal regeneration using an electroabsorption modulator

Sune Højfeldt, Svend Bischoff, Jesper Mørk

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All-optical wavelength conversion and signal regeneration based on cross-absorption modulation in an InGaAsP quantum well electroabsorption modulator (EAM) is studied at different bit rates. We present theoretical results showing wavelength conversion efficiency in agreement with existing experimental results, and the signal regeneration capability of the device is investigated. In particular, we demonstrate the dependence of the extinction ratio of both the converted signal and the control signal on the device length and on the power level of the control signal. We also show how the sweep-out dynamics influences the results.
Original languageEnglish
JournalJournal of Lightwave Technology
Issue number8
Pages (from-to)1121-1127
Publication statusPublished - Aug 2000

Bibliographical note

Copyright: 2000 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


  • all-optical wavelength conversion
  • electroabsorption modulator (EAM)
  • optical communication
  • semiconductor devices
  • signal regeneration
  • ultrafast signal processing


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