Cold-atom dynamics in crossed-laser-beam waveguides

E. Torrontegui; J. Echanobe; A. Ruschhaupt; D. Guéry-Odelin; J. G. Muga

doi:10.1103/PhysRevA.82.043420

Cold-atom dynamics in crossed-laser-beam waveguides

E. Torrontegui
, J. Echanobe
, A. Ruschhaupt
, D. Guéry-Odelin
, J. G. Muga

Research output: Contribution to journal › Article › peer-review

Abstract

We study the dynamics of neutral cold atoms in an L-shaped crossed-beam optical waveguide formed by two perpendicular red-detuned lasers of different intensities and a blue-detuned laser at the corner. The motion in one sense is optimized, and the motion in the other sense may be suppressed even if it is energetically allowed. Quantum and classical simulations are performed and give similar results. Complemented with a vibrational cooling process we find a range of parameters for which this setting works as a one-way device or "atom diode."

Original language	English
Article number	043420
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	82
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.82.043420
Publication status	Published - 20 Oct 2010
Externally published	Yes

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10.1103/PhysRevA.82.043420

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AU - Torrontegui, E.

AU - Echanobe, J.

AU - Ruschhaupt, A.

AU - Guéry-Odelin, D.

AU - Muga, J. G.

PY - 2010/10/20

Y1 - 2010/10/20

N2 - We study the dynamics of neutral cold atoms in an L-shaped crossed-beam optical waveguide formed by two perpendicular red-detuned lasers of different intensities and a blue-detuned laser at the corner. The motion in one sense is optimized, and the motion in the other sense may be suppressed even if it is energetically allowed. Quantum and classical simulations are performed and give similar results. Complemented with a vibrational cooling process we find a range of parameters for which this setting works as a one-way device or "atom diode."

AB - We study the dynamics of neutral cold atoms in an L-shaped crossed-beam optical waveguide formed by two perpendicular red-detuned lasers of different intensities and a blue-detuned laser at the corner. The motion in one sense is optimized, and the motion in the other sense may be suppressed even if it is energetically allowed. Quantum and classical simulations are performed and give similar results. Complemented with a vibrational cooling process we find a range of parameters for which this setting works as a one-way device or "atom diode."

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DO - 10.1103/PhysRevA.82.043420

M3 - Article

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Cold-atom dynamics in crossed-laser-beam waveguides

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