@article{8425, author = {Ling-An Wu and H. Kimble and John Hall and Huifa Wu}, title = {Generation of Squeezed States by Parametric Down Conversion}, year = {1986}, journal = {Physical Review Letters}, volume = {57}, pages = {2520-2523}, month = {Jan-11-1986}, issn = {0031-9007}, doi = {10.1103/PhysRevLett.57.2520}, }