Optical ferris wheel for ultracold atoms

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

Research output: Contribution to journalArticle

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(il?)) 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. © 2007 Optical Society of America.

Original languageEnglish
Pages (from-to)8619-8625
Number of pages7
JournalOptics Express
Volume15
Issue number14
DOIs
Publication statusPublished - 9 Jul 2007

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wheels
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Franke-Arnold, S., Leach, J., Padgett, M. J., Lembessis, V. E., 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, V. E. ; Ellinas, D. ; Wright, A. J. ; Girkin, J. M. ; Ohberg, Patrik ; 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, VE, 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, V. E.; Ellinas, D.; Wright, A. J.; Girkin, J. M.; Ohberg, Patrik; Arnold, A. S.

In: Optics Express, Vol. 15, No. 14, 09.07.2007, p. 8619-8625.

Research output: Contribution to journalArticle

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Franke-Arnold S, Leach J, Padgett MJ, Lembessis VE, Ellinas D, Wright AJ et al. Optical ferris wheel for ultracold atoms. Optics Express. 2007 Jul 9;15(14):8619-8625. https://doi.org/10.1364/OE.15.008619