TY  - RPRT
TI  - Quantum noise limits for nonlinear, phase-invariant amplifiers.
AU  - D Kouznetsov
AU  - R Ortega-Martínez
AU  - D Rohrlich
PY  - 1995
DO  - 10.1103/physreva.52.1665
UR  - https://pubmed.ncbi.nlm.nih.gov/9912406/
ID  - 9912406
ER  -