All-Normal-Dispersion Mode-Locked Fiber Laser With a Tunable Angle-Spliced Polarization-Maintaining Fiber Lyot Filter

All-Normal-Dispersion Mode-Locked Fiber Laser With a Tunable Angle-Spliced Polarization-Maintaining Fiber Lyot Filter

Citation

  • Title: All-normal-dispersion mode-locked fiber laser with a tunable angle-spliced polarization-maintaining fiber Lyot filter
  • Authors: Zhengru Guo, Qiang Hao, Kun Huang, and Heping Zeng

Keywords

  • Fiber lasers
  • Yb-fiber lasers
  • ultrafast lasers
  • Mode-locked lasers

Brief

The article demonstrates a stable and versatile all-normal-dispersion mode-locked fiber laser built with a nonlinear amplifying loop mirror (NALM) and an angle-spliced polarization-maintaining (PM) fiber Lyot filter, enabling tunability of output spectral bandwidth (0.5 to ~4 nm) and allowing for continuously tunable single-wavelength and asynchronous dual-wavelength operation.

Summary

The paper presents a stable, all-PM mode-locked fiber laser that uses a tunable angle-spliced PM fiber Lyot filter instead of a standard filter. This allows for flexible control of output spectrum, enabling variable bandwidths (0.5 to ~4 nm), continuously tunable single-wavelength operation, and asynchronous dual-wavelength operation.

Origin: https://sci.bban.top/pdf/10.1109/jphot.2021.3079417.pdf#

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