Squeezing with cold atoms

A Lambrecht, T Coudreau, A. M Steinberg, E Giacobino
1996 Europhysics letters  
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.
doi:10.1209/epl/i1996-00192-1 fatcat:x55rsckbc5cr3a3idwf4ervvzy