Vacuum state squeezing versus squeezed classical noise: a test using conditional homodyne detection May 4, 2012 Yvette 2003, Article, Publication H.J. Carmichael First International Symposium on Fluctuations and Noise: Fluctuations and Noise in Photonics and Quantum Optics, eds. L.B. Kish and D. Abbott, Proceedings of SPIE, Vol. 5111, SPIE, Bellingham, WA, pp. 325-36 (2003)