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Accelerating, guiding, and sub-wavelength trapping of neutral atoms with tailored optical vortices

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2017

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Schulze, Dominik
Thakur, Anita
Berakdar, Jamal

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https://doi.org/10.1002/andp.201600379
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Annalen der Physik. 2017, 529(5), 1600379. ISSN 0003-3804. eISSN 1521-3889. Available under: doi: 10.1002/andp.201600379

Zusammenfassung

Single neutral atom mechanics is controllable by focused, high-intensity optical vortices. The intensity-dependent, laser-driven motion of the atom's active electrons subsumes to a net transfer of the orbital angular momentum of the light to the neutral atom. The ponderomotive force on these electrons translates so into an unbounded or a bounded radial drift of the atom depending on its initial kinetic energy, as set by the temperature. Appropriate combination of laser beams results in sub-wavelength, dynamical radial traps for tweezing atoms controllably, an effect that can be exploited for atom guiding, structuring, and lithographic applications.

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ISO 690SCHULZE, Dominik, Anita THAKUR, Andrey S. MOSKALENKO, Jamal BERAKDAR, 2017. Accelerating, guiding, and sub-wavelength trapping of neutral atoms with tailored optical vortices. In: Annalen der Physik. 2017, 529(5), 1600379. ISSN 0003-3804. eISSN 1521-3889. Available under: doi: 10.1002/andp.201600379
BibTex
@article{Schulze2017-05Accel-39099,
  year={2017},
  doi={10.1002/andp.201600379},
  title={Accelerating, guiding, and sub-wavelength trapping of neutral atoms with tailored optical vortices},
  number={5},
  volume={529},
  issn={0003-3804},
  journal={Annalen der Physik},
  author={Schulze, Dominik and Thakur, Anita and Moskalenko, Andrey S. and Berakdar, Jamal},
  note={Article Number: 1600379}
}
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