@misc{indiciaeaa98d03bb076,
  title = {Continuous variable quantum cryptography: beating the 3 dB loss limit.},
  author = {Ch Silberhorn and T C Ralph and N Lütkenhaus and G Leuchs},
  year = {2002},
  doi = {10.1103/physrevlett.89.167901},
  url = {https://pubmed.ncbi.nlm.nih.gov/12398756/},
  note = {Source identifier: 12398756}
}