SBS-based fiber optical sensing using frequency-domain simultaneous tone interrogation

Asher Voskoboinik*, Jian Wang, Bishara Shamee, Scott R. Nuccio, Lin Zhang, Mohammadreza Chitgarha, Alan E. Willner, Moshe Tur

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A frequency-sweep-free method for stimulated Brillouin scattering (SBS)-based sensing is proposed, having the potential for fast acquisition characteristics. The Brillouin gain spectrum and the Brillouin frequency shift are determined using multiple frequency tones for both the probe and pump. While in this paper, continuous wave probe and pump waves are used to prove the feasibility of the concept, an extension to fast distributed sensing, using pulsed pumps, is also described.

Original languageEnglish
Article number5753904
Pages (from-to)1729-1735
Number of pages7
JournalJournal of Lightwave Technology
Issue number11
StatePublished - 2011


  • Brillouin gain spectrum (BGS)
  • Brillouin sensors
  • frequency-domain multiplexing (FDM)
  • optical fiber sensors
  • stimulated Brillouin scattering (SBS)


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