Analysis of single and multiple, non-permanent, tunable, birefringent spectral holes in a fibre-Bragg grating stop-band produced via uniaxial pressure

L. Michaille, M.W. McCall, Y.C. Lai, J.A.R. Williams

Research output: Contribution to journalArticlepeer-review

Abstract

We present an experimental and numerical study of transversely loaded uniform fibre-Bragg gratings. A novel loading configuration is described, producing pressure-induced spectral holes in an initially strong uniform grating. The birefringence properties of these gratings are analysed. It is shown that the frequency splitting of the two spectral holes, corresponding to two orthogonal polarisation states, can be adjusted precisely using this loading configuration. We finally demonstrate a new and simple scheme to induce multiple spectral holes in the stop-band. © 2003 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalOptics Communications
Volume222
Issue number1-6
DOIs
Publication statusPublished - Jul 2003

Keywords

  • coupled wave theory
  • fibre-Bragg gratings
  • load-induced birefringence
  • spectral holes
  • tunable filters

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