Microwave Control of Atomic Motion in Optical Lattices

Abstract

We control the quantum mechanical motion of neutral atoms in an optical lattice by driving microwave transitions between spin states whose trapping potentials are spatially offset. Control of this offset with nanometer precision allows for adjustment of the coupling strength between different motional states, analogous to an adjustable effective Lamb-Dicke factor. This is used both for efficient one-dimensional sideband cooling of individual atoms to a vibrational ground state population of 97%, and to drive coherent Rabi oscillation between arbitrary pairs of vibrational states. We further show that microwaves can drive well resolved transitions between motional states in maximally offset, shallow lattices, and thus in principle allow for coherent control of long range quantum transport.

4 pages, 5 figures

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• Combining red- and blue-detuned optical potentials to form a Lamb-Dicke trap for a single neutral atom
• Microwave control of trapped-ion motion assisted by a running optical lattice
• Frustrated extended Bose-Hubbard model and deconfined quantum critical points with optical lattices at the anti-magic wavelength
• Deterministic generation of hybrid high-N00N states with Rydberg ions trapped in microwave cavities
• Coherence of a qubit stored in Zeeman levels of a single optically trapped atom
• Inserting single Cs atoms into an ultracold Rb gas
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• Bosonic Quantum Error Correction with Neutral Atoms in Optical Dipole Traps
• Non-locality of Two Ultracold Trapped Atoms
• Theory of waveguide-QED with moving emitters
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• Coherent control of atomic spin currents in a double well
• Continuous-time quantum harmonic oscillator state engineering
• Sideband Rabi spectroscopy of finite-temperature trapped Bose gases
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• Phase diagram of the interacting Haldane model with spin-dependent sublattice potentials
• Probing the interaction energy of two ${}^{85}$Rb atoms in an optical tweezer via spin-motion coupling
• Analytical solutions of the Schrödinger equation for two confined atoms with van der Waals interaction
• On the feasibility of detecting quantum delocalization effects on relativistic time dilation in optical clocks