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Amplification by stimulated emission of radiation provides an intriguingmeans for increasing the sensitivity of Atomic Parity Violation (APV)measurements in a pump-probe configuration well adapted to the 6S-7S cesiumtransition. It takes advantage of the large number of atoms excited along thepath of the pump beam. In the longitudinal E-field configuration currentlyexploited in an ongoing APV measurement, this number is limited only by thetotal voltage sustainable by the Cs vapor. In order to overcome this limit, weconsider, both theoretically and experimentally, the possibility of performingthe measurements in a transverse E-field configuration requiring a much lowervoltage. We discuss the necessarily different nature of the observable and themagnetoelectric optical effects entering into play. They conditionmodifications of the experimental configuration with, in particular, theapplication of a transverse magnetic field. We suggest the possibility ofrotating the transverse direction of the fields so as to suppress systematiceffects. With a long interaction length, a precision reaching 0.1 percent in aquantum noise limited measurement can be expected, now limited only by thenecessity of operating below the threshold of spontaneous superradiant emissionof the excited medium. If we approached this limit, however, we could greatlyamplify the asymmetry using triggered superradiance.Comment: Articl

journal of the optical society of america. b, optical physics/journal of the optical society of america. b, online

Proposal for high-precision atomic-parity-violation measurements by amplification of the asymmetry by stimulated emission in a transverse electric and magnetic field pump-probe experiment