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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; published in the issue dated 17 November 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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