Recirculating fiber-optic notch filter employing fiber gratings

W Zhang*, J A R Williams, I Bennion

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

A novel recirculating fiber-optic notch filter is demonstrated by using two fiber gratings. The notch depth of the filter is maximized by employing a chirped grating with a triangular reflection spectrum. The free-spectral range (FSR) of the filter is changed by changing the spacing between the two used gratings. Overall, the filter offers an effective, precise and flexibly tuned real-time device for the signal processing of fiber radio-frequency systems.

Original languageEnglish
Pages (from-to)836-838
Number of pages3
JournalIEEE Photonics Technology Letters
Volume11
Issue number7
DOIs
Publication statusPublished - Jul 1999

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