Multiwavelength fibre ring laser incorporating a lyot filter and hybrid gain medium actively mode-locked using a birefringence compensated LiNbO 3 modulator

Colm O'Riordan, Michael J. Connelly, Ivan Evans, Prince M. Anandarajah, Robert Maher, Liam P. Barry

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A Lyot filter based actively mode-locked multiwavelength fibre ring laser with a hybrid gain medium, consisting of an SOA and EDFA, is presented. Simultaneous mode-locking of up to 8 wavelength channels at 10 GHz is realised using a LiNbO3 based Mach-Zehnder intensity modulator. A wavelength channel spacing of 100 GHz is obtained via appropriate tuning of the Lyot filter length. The effect of modulator birefringence on the performance of the laser spectrum is investigated and a simple method to increase spectral stability is proposed and demonstrated.

Original languageEnglish
Title of host publicationChina-Ireland International Conference on Information and Communications Technologies, CIICT 2007
Pages632-636
Number of pages5
Edition529 CP
DOIs
Publication statusPublished - 2007
EventChina-Ireland International Conference on Information and Communications Technologies, CIICT 2007 - Dublin, Ireland
Duration: 28 Aug 200729 Aug 2007

Publication series

NameIET Conference Publications
Number529 CP

Conference

ConferenceChina-Ireland International Conference on Information and Communications Technologies, CIICT 2007
Country/TerritoryIreland
CityDublin
Period28/08/0729/08/07

Keywords

  • Birefringence
  • Hybrid gain medium
  • Lyot filter
  • Mode-locking
  • Multiwavelength fibre ring laser

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