Optical ferris wheel for ultracold atoms

S. Franke-Arnold, J. Leach, M.J. Padgett, D. Lembessis, D. Ellinas, A.J. Wright, J.M. Girkin, P. Ohberg, A.S. Arnold

Research output: Contribution to journalArticle

192 Citations (Scopus)

Abstract

We propose a versatile optical ring lattice suitable for trapping cold and quantum degenerate atomic samples. We demonstrate the realisation of intensity patterns from pairs of Laguerre-Gauss (exp(i-ө) modes with different - indices. These patterns can be rotated by introducing a frequency shift between the modes. We can generate bright ring lattices for trapping atoms in red-detuned light, and dark ring lattices suitable for trapping atoms with minimal heating in the optical vortices of blue-detuned light. The lattice sites can be joined to form a uniform ring trap, making it ideal for studying persistent currents and the Mott insulator transition in a ring geometry.
LanguageEnglish
Pages8619-8625
Number of pages7
JournalOptics Express
Volume15
Issue number14
DOIs
Publication statusPublished - 26 Jun 2007

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wheels
rings
trapping
atoms
frequency shift
insulators
traps
vortices
heating
geometry

Keywords

  • atomic and molecular physics
  • laser trapping lasers
  • laser optics
  • laser cooling
  • optical devices
  • spatial light modulators
  • physical optics
  • interference

Cite this

Franke-Arnold, S., Leach, J., Padgett, M. J., Lembessis, D., Ellinas, D., Wright, A. J., ... Arnold, A. S. (2007). Optical ferris wheel for ultracold atoms. Optics Express, 15(14), 8619-8625. https://doi.org/10.1364/OE.15.008619
Franke-Arnold, S. ; Leach, J. ; Padgett, M.J. ; Lembessis, D. ; Ellinas, D. ; Wright, A.J. ; Girkin, J.M. ; Ohberg, P. ; Arnold, A.S. / Optical ferris wheel for ultracold atoms. In: Optics Express. 2007 ; Vol. 15, No. 14. pp. 8619-8625.
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Franke-Arnold, S, Leach, J, Padgett, MJ, Lembessis, D, Ellinas, D, Wright, AJ, Girkin, JM, Ohberg, P & Arnold, AS 2007, 'Optical ferris wheel for ultracold atoms' Optics Express, vol. 15, no. 14, pp. 8619-8625. https://doi.org/10.1364/OE.15.008619

Optical ferris wheel for ultracold atoms. / Franke-Arnold, S.; Leach, J.; Padgett, M.J.; Lembessis, D.; Ellinas, D.; Wright, A.J.; Girkin, J.M.; Ohberg, P.; Arnold, A.S.

In: Optics Express, Vol. 15, No. 14, 26.06.2007, p. 8619-8625.

Research output: Contribution to journalArticle

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T1 - Optical ferris wheel for ultracold atoms

AU - Franke-Arnold, S.

AU - Leach, J.

AU - Padgett, M.J.

AU - Lembessis, D.

AU - Ellinas, D.

AU - Wright, A.J.

AU - Girkin, J.M.

AU - Ohberg, P.

AU - Arnold, A.S.

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N2 - We propose a versatile optical ring lattice suitable for trapping cold and quantum degenerate atomic samples. We demonstrate the realisation of intensity patterns from pairs of Laguerre-Gauss (exp(i-ө) modes with different - indices. These patterns can be rotated by introducing a frequency shift between the modes. We can generate bright ring lattices for trapping atoms in red-detuned light, and dark ring lattices suitable for trapping atoms with minimal heating in the optical vortices of blue-detuned light. The lattice sites can be joined to form a uniform ring trap, making it ideal for studying persistent currents and the Mott insulator transition in a ring geometry.

AB - We propose a versatile optical ring lattice suitable for trapping cold and quantum degenerate atomic samples. We demonstrate the realisation of intensity patterns from pairs of Laguerre-Gauss (exp(i-ө) modes with different - indices. These patterns can be rotated by introducing a frequency shift between the modes. We can generate bright ring lattices for trapping atoms in red-detuned light, and dark ring lattices suitable for trapping atoms with minimal heating in the optical vortices of blue-detuned light. The lattice sites can be joined to form a uniform ring trap, making it ideal for studying persistent currents and the Mott insulator transition in a ring geometry.

KW - atomic and molecular physics

KW - laser trapping lasers

KW - laser optics

KW - laser cooling

KW - optical devices

KW - spatial light modulators

KW - physical optics

KW - interference

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Franke-Arnold S, Leach J, Padgett MJ, Lembessis D, Ellinas D, Wright AJ et al. Optical ferris wheel for ultracold atoms. Optics Express. 2007 Jun 26;15(14):8619-8625. https://doi.org/10.1364/OE.15.008619