@misc{indiciaef8bb5f1cdffe,
  title = {Frequency hopping in quantum interferometry: efficient up-down conversion for qubits and ebits.},
  author = {G Giorgi and P Mataloni and F De Martini},
  year = {2003},
  doi = {10.1103/physrevlett.90.027902},
  url = {https://pubmed.ncbi.nlm.nih.gov/12570581/},
  note = {Source identifier: 12570581}
}