@misc{indiciae3e40836afa3d, title = {Amplification under the standard quantum noise limit.}, author = {GM D'Ariano and C Macchiavello and MG Paris}, year = {1994}, doi = {10.1103/physrevlett.73.3187}, url = {https://pubmed.ncbi.nlm.nih.gov/10057313/}, note = {Source identifier: 10057313} }