Europhys. Lett, 36 (2), pp. 93-98 (1996)
Squeezing with cold atoms
A. Lambrecht, T. Coudreau, A. M. Steinberg and E. Giacobino
Laboratoire Kastler Brossel, UPMC, ENS et CNRS, Université Pierre et Marie Curie - case 74, F-75252 Paris, France
(received 25 March 1996; accepted in final form 27 August 1996)
PACS. 32.80Pj - Optical cooling of atoms; trapping.
PACS. 42.50Lc - Quantum fluctuations, quantum noise, and quantum jumps.
PACS. 42.65Pc - Optical bistability, multistability, and switching.
Abstract:Cold atoms from a magneto-optic trap have been used as a nonlinear () medium in a nearly resonant cavity. Squeezing in a probe beam passing through the cavity was demonstrated. The measured noise reduction is 40% for free atoms and 20% for weakly trapped atoms.
Copyright EDP Sciences