Controlling Rayleigh-Backscattering-Induced Distortion in Radio over Fiber Systems for Radioastronomic Applications

Jacopo Nanni, Andrea Giovannini, Muhammad Usman Hadi, Enrico Lenzi, Simone Rusticelli, Randall Wayth, Federico Perini, Jader Monari, Giovanni Tartarini

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Radio over Fiber (RoF) Systems exploiting a direct modulation of the laser source are presently utilized within important Radioastronomic scenarios. Due to the particular operating conditions of some of these realizations, the phenomena which typically generate nonlinearities in RoF links for telecommunications applications can be here regarded as substantially harmless. However, these same operating conditions can make the RoF systems vulnerable to different kinds of nonlinear effects, related to the influence of the Rayleigh Backscattered signal on the transmitted one. A rigorous description of the phenomenon is performed, and an effective countermeasure to the problem is proposed and demonstrated, both theoretically and experimentally.

Original languageEnglish
Article number9089231
Pages (from-to)5393-5405
Number of pages13
JournalJournal of Lightwave Technology
Volume38
Issue number19
Early online date7 May 2020
DOIs
Publication statusPublished (in print/issue) - 1 Oct 2020

Bibliographical note

Publisher Copyright:
© 1983-2012 IEEE.

Keywords

  • Nonlinearities
  • radioastronomy
  • rayleigh backscattering
  • RoF

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