Data for: "Optical ferris wheel for ultracold atoms"

  • S. Franke-Arnold (University of Glasgow) (Contributor)
  • Jonathan Leach (Contributor)
  • Miles Padgett (Contributor)
  • V.E. Lembessis (Contributor)
  • D. Ellinas (Contributor)
  • A.J. Wright (Contributor)
  • J.M. Girkin (Contributor)
  • P. Öhberg (Heriot-Watt University) (Contributor)
  • Aidan Arnold (Contributor)



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(iℓθ)) modes with different l 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.

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Date made available16 Dec 2022
  • 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., 26 Jun 2007, In: Optics Express. 15, 14, p. 8619-8625 7 p.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    305 Citations (Scopus)
    75 Downloads (Pure)

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