@misc{indiciae8d851c8149e3,
  title = {Nonclassical fields in a linear directional coupler.},
  author = {WK Lai and V Buek and PL Knight},
  year = {1991},
  doi = {10.1103/physreva.43.6323},
  url = {https://pubmed.ncbi.nlm.nih.gov/9904966/},
  note = {Source identifier: 9904966}
}