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Experimental Quantum Control of the 133Cs Hyperfine Ground Manifold

Aaron Smith, University of Arizona

(Session 5 : Friday from 5:00-7:00)

Abstract. Aaron Smith, Brian Anderson, and Poul Jessen College of Optical Sciences, University of Arizona, Tucson, AZ In recent work our group has demonstrated complete quantum control and quantum state reconstruction for the F = 3 irreducible subspace within the electronic ground hyperfine manifold of 133Cs. The control Hamiltonian for this system was generated by a time dependent magnetic field and a laser induced AC Stark shift, where the latter necessarily brings a penalty in terms of decoherence from spontaneous photon scattering. We are currently working to extend control and measurement to the full ground hyperfine manifold, by driving the atom solely with DC, radiofrequency and microwave magnetic fields [S. Merkel et al, PRA 78, 023404 (2008)]. We will report on experimental progress towards this goal.