Es. Polzik et al., SUBTHRESHOLD TUNABLE OPO - A SOURCE OF NONCLASSICAL LIGHT FOR ATOMIC PHYSICS EXPERIMENTS, Applied physics. B, Lasers and optics, 66(6), 1998, pp. 759-764
The frequency-tunable subthreshold OPO has become a unique source for
probing and driving atoms with nonclassical light. Applications span f
rom sub-shot-noise atomic measurements to proposals for the generation
of quantum-correlated atomic ensembles. We briefly review the experim
ents performed to date and then concentrate on the recent results in a
tomic spin polarization experiments with nonclassical OPO light.