Narrow linewidth operation of an erbium fiber laser containing a chirped Bragg grating etalon

R.J. Foster, N. Langford, A. Gloag, L. Zhang, J. A.R. Williams, I. Bennion

Research output: Contribution to journalArticle

Abstract

A numerical model is presented which shows that a control signal suitable for preventing longitudinal mode hops can be derived by sensing changes in the polarization state of the light reflected from an intracavity etalon. This is verified experimentally by including a continuous fiber etalon formed from chirped Bragg reflectors in a unidirectional erbium ring fiber laser. Mode hop free operation is observed with resolution limited linewidths of 170 kHz.

Original languageEnglish
Pages (from-to)2130-2136
Number of pages7
JournalJournal of Lightwave Technology
Volume15
Issue number11
DOIs
Publication statusPublished - Nov 1997

Keywords

  • frequency control
  • gratings
  • laser resonators
  • optical fiber lasers
  • optical fiber polarization

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