Optical fiber recirculating delay line incorporating a fiber grating array

W Zhang*, J A R Williams, I Bennion

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

For a practical optical fiber recirculating delay line the maximum notch depth and tunable free spectral range are difficult to achieve because of fixed coupling coefficient and loop length. We present here an optical fiber recirculating delay line incorporating a fiber grating array. In this work, the effect of insertion loss in the delay loop is investigated and used to maximize the notch depth of the frequency response. The tunable free spectral range is obtained from the wavelength dependent loop length introduced by the fiber grating array.

Original languageEnglish
Pages (from-to)217-219
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume11
Issue number5
DOIs
Publication statusPublished - May 2001

Keywords

  • fiber Bragg grating
  • microwave signal processing
  • optical fiber delay

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