Single polarization, dual wavelength fiber laser based on a 3-stage all fiber lyot filter

Zhijun Yan, Chengbo Mou, Zuxing Zhang, Xiangchuan Wang, Jianfeng Li, Kaiming Zhou, Lin Zhang

Research output: Contribution to journalArticle

Abstract

We have demonstrated a switchable dual wavelength fiber ring laser with a high degree of polarization output by using an intracavity 3-stage all fiber Lyot filter. The filter is formed by concatenating four 45° tilted fiber gratings separated by polarization maintaining fibers with a length ratio of 1:2:4 (20, 40, and 80 cm), giving a compact integrated configuration with reduced bandwidth. Switchable dual wavelength or single wavelength output at 1533.5 and 1563.3 nm has been achieved. The output lasing is considerably stable owing to the in-phase mode-selecting function of the multistage Lyot filter, and has a very high degree of polarization higher than 99.9%.

Original languageEnglish
Article number6782437
Pages (from-to)1085-1088
Number of pages4
JournalIEEE Photonics Technology Letters
Volume26
Issue number11
Early online date2 Apr 2014
DOIs
Publication statusPublished - 1 Jun 2014

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Keywords

  • fiber ring laser
  • Lyot-filter
  • tilted fiber grating

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  • Research Output

    • 1 Conference contribution

    Polarization switchable single/multi-wavelength fiber ring laser with an intra-cavity all fiber Lyot filter

    Yan, Z., Sun, Q., Mou, C., Sun, Z., Zhou, K. & Zhang, L., 2015, Asia Communications and Photonics Conference 2015. Optical Society of America, paper ASu2A.80. (OSA Technical Digest).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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