Improvement by laser quenching of an "atom diode": a one-way barrier for ultra-cold atoms

Abstract

Different laser devices working as ``atom diodes'' or ``one-way barriers'' for ultra-cold atoms have been proposed recently. They transmit ground state level atoms coming from one side, say from the left, but reflect them when they come from the other side. We combine a previous model, consisting of the stimulated Raman adiabatic passage (STIRAP) from the ground to an excited state and a state-selective mirror potential, with a localized quenching laser which produces spontaneous decay back to the ground state. This avoids backwards motion, provides more control of the decay process and therefore a more compact and useful device.

arXiv comment6 pages

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Cited by in corpus (17)

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• Spin Field Effect Transistors with Ultracold Atoms
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• Three-dimensional effects in "atom diodes": atom-optical devices for one-way motion
• Dressed-particle approach in the nonrelativistic classical limit
• Local rectification of heat flux
• Tunneling dynamics in exactly-solvable models with triple-well potentials
• Dynamics of Cold Atoms Crossing a One-Way Barrier
• Cold atom dynamics in crossed laser beam waveguides
• Atom cooling with an atom-optical diode on a ring
• Quantum-optical implementation of non-Hermitian potentials for asymmetric scattering
• Transversal laser excitation of atoms in a waveguide
• Cooling Atoms with a Moving One-Way Barrier
• Optimizing the catching of atoms or molecules in two-dimensional traps
• Strong electron spin-Hall effect by a coherent optical potential
• Quantum Catcher: Trapping and cooling particles using a moving atom diode and an atomic mirror