Atom localization and center-of-mass wave-function determination via multiple simultaneous quadrature measurements RID A-5077-2009
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We discuss localization and center-of-mass wave-function measurement of a quantum particle using multiple simultaneous dispersive interactions of the particle with different standing-wave fields. In particular, we consider objects with an internal structure consisting of a single ground state and several excited states. The transitions between ground and the corresponding excited states are coupled to the light fields in the dispersive limit, thus giving rise to a phase shift of the light field during the interaction. We show that multiple simultaneous measurements allow both an increase in the measurement or localization precision in a single direction and the performance of multidimensional measurements or localization. Further, we show that multiple measurements may relax the experimental requirements for each individual measurement.
DescriptionJournals published by the American Physical Society can be found at http://publish.aps.org/
DepartmentPhysics and Astronomy
- Faculty Publications