Whispering-Gallery-Mode Resonator-Based Hybrid Cavity for Mode Stabilization of a Fiber Laser

Citation

C. G. Wen et al., "Whispering-Gallery-Mode Resonator-Based Hybrid Cavity for Mode Stabilization of a Fiber Laser," IEEE Photonics Journal, vol. 13, no. 2, p. 1500107, Apr. 2021, doi: 10.1109/JPHOT.2021.3059759.

Keywords

  • WGM resonator
  • Fiber laser
  • Coupled cavities

Brief

The article proposes and experimentally demonstrates a fiber laser utilizing a hybrid cavity that combines a linear fiber cavity and a Whispering Gallery Mode (WGM) resonator for dual stabilization, enabling stable single- to four-mode operation with high signal-to-noise ratio and narrow line-width.

Summary

The paper demonstrates a fiber laser using a hybrid cavity which combines a linear fiber cavity and a Whispering Gallery Mode (WGM) resonator. This configuration provides dual stabilization for the laser mode, enabling stable single-mode operation with high signal-to-noise ratio (up to 61 dB) and narrow linewidth (down to ∼5 kHz), and also stable two- to four-mode operation without mode hopping.

Origin: https://sci.bban.top/pdf/10.1109/jphot.2021.3059759.pdf#

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