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Phys. Rev. Lett. 57, 2520 - 2523 (1986)

Generation of Squeezed States by Parametric Down Conversion

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Ling-An Wu, H. J. Kimble, J. L. Hall *, and Huifa Wu
Department of Physics, University of Texas at Austin, Austin, Texas 78712

Received 11 September 1986

Squeezed states of the electromagnetic field are generated by degenerate parametric down conversion in an optical cavity. Noise reductions greater than 50% relative to the vacuum noise level are observed in a balanced homodyne detector. A quantitative comparison with theory suggests that the observed squeezing results from a field that in the absence of linear attenuation would be squeezed by greater then tenfold.


©1986 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.57.2520
DOI: 10.1103/PhysRevLett.57.2520
PACS: 42.50.Dv, 03.65.-w, 42.65.Ky

* Permanent address: Joint Institute for Laboratory Astrophysics, National Bureau of Standards and University of Colorado, Boulder, CO 80309.

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