@misc{indiciaef3ff81da7d60,
  title = {Sum- and difference-frequency generation for broadband input fields.},
  author = {YB Band and C Radzewicz and JS Krasinski},
  year = {1994},
  doi = {10.1103/physreva.49.517},
  url = {https://pubmed.ncbi.nlm.nih.gov/9910257/},
  note = {Source identifier: 9910257}
}