@article{busch_beige_2010, 
  title={Generating single-mode behavior in fiber-coupled optical cavities}, 
  volume={82}, 
  DOI={10.1103/physreva.82.053824}, 
  publisher={American Physical Society (APS)}, 
  author={Busch and Beige}, 
  year={2010}, 
  month={Nov}
  }