@misc{indiciae72c79433da99,
  title = {Evolving geometric phase and its dynamical manifestation as a frequency shift: An optical experiment.},
  author = {R Simon and HJ Kimble and EC Sudarshan},
  year = {1988},
  doi = {10.1103/physrevlett.61.19},
  url = {https://pubmed.ncbi.nlm.nih.gov/10038683/},
  note = {Source identifier: 10038683}
}