Squeezing with cold atoms

A. Lambrecht; T. Coudreau; A. M. Steinberg; E. Giacobino

doi:doi:10.1209/epl/i1996-00192-1

Squeezing with cold atoms DOI: 10.1209/epl/i1996-00192-1

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.