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Numerical and experimental analysis of the modulation of fiber Bragg gratings by low-frequency complex acoustic waves

  • R.E. Silva
  • , M.A.R. Franco
  • , P.T. Neves
  • , H. Bartelt
  • , A.A.P. Pohl

Research output: Contribution to journalArticlepeer-review

Abstract

The acoustically modulated bandwidth of fiber Bragg gratings is simulated and experimentally demonstrated. Finite element and transfer matrix methods are used to investigate a superposition of flexural and longitudinal acoustic waves and the induced complex strain in the grating, for the first time. The results show that the longitudinal strain is suitable to generate a bandwidth-voltage response. The modeling is useful for the design and characterization of acousto-optic modulators, which is attractive for the fast control of several photonic devices.
Original languageEnglish
Pages (from-to)17-22
JournalOptical Fiber Technology
Volume30
Early online date10 Feb 2016
DOIs
Publication statusPublished - 1 Jul 2016

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