Transversal loading sensor based on tunable beat frequency of a dual-wavelength fiber laser

Hongyan Fu, Xuewen Shu, Chengbo Mou, Lin Zhang, Sailing He, Ian Bennion

Research output: Contribution to journalArticlepeer-review

Abstract

Microwave signal generation by using the photonic beating from a phase-shift fiber Bragg grating (PS-FBG)-based dual-wavelength laser is proposed and experimentally demonstrated. The dual-wavelength laser is formed by a linear cavity, in which a PS-FBG is used as a dual-wavelength selective component. Transversal loading on the PS-FBG enhances the birefringence of the optical fiber and consequently makes the transmission peak of the PS-FBG splitting into two sharp transmission peaks of orthogonal polarizations. The wavelength spacing between the two transmission peaks increases with the transversal loading on the PS-FBG, thus making the polarization beating frequency increase. This property is exploited in a transversal loading sensor.
Original languageEnglish
Pages (from-to)987-989
Number of pages3
JournalIEEE Photonics Technology Letters
Volume21
Issue number14
DOIs
Publication statusPublished - 15 Jul 2009

Bibliographical note

©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Keywords

  • beating
  • microwave generation
  • phase-shift fiber Bragg grating
  • transversal loading
  • photonics

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