@misc{indiciae5271787a5292,
  title = {Local observations of phase singularities in optical fields in waveguide structures},
  author = {ML Balistreri and JP Korterik and L Kuipers and van Hulst NF},
  year = {2000},
  doi = {10.1103/physrevlett.85.294},
  url = {https://pubmed.ncbi.nlm.nih.gov/10991266/},
  note = {Source identifier: 10991266}
}