Optimization of Laser Stabilization via Self-Injection Locking to a Whispering-Gallery-Mode Microresonator

@article{Galiev2020OptimizationOL,
  title={Optimization of Laser Stabilization via Self-Injection Locking to a Whispering-Gallery-Mode Microresonator},
  author={Ramzil R. Galiev and Nikita M. Kondratiev and Valery E. Lobanov and Andrey B. Matsko and Igor A Bilenko},
  journal={arXiv: Optics},
  year={2020}
}
Self-injection locking is a dynamic phenomenon representing stabilization of the emission frequency of an oscillator with a passive cavity enabling frequency filtered coherent feedback to the oscillator cavity. For instance, self-injection locking of a semiconductor laser to a high-quality-factor (high-Q) whispering gallery mode (WGM) microresonator can result in multiple orders of magnitude reduction of the laser linewidth. The phenomenon was broadly studied in experiments, but its detailed… 

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