Dark dynamic acousto-optic ring lattices for ultracold atoms

Details Dark dynamic acousto-optic ring lattices for ultracold atoms Dark dynamic acousto-optic ring lattices for ultracold atoms

2008-06-20

arxiv.org/abs/0806.3466v1

J. Phys. B 41, 211001 (2008)

Physics

Optics

6 pages, 5 figures, hyperlinked references

Scientific paper

10.1088/0953-4075/41/21/211001

We demonstrate the optical generation of dynamic dark optical ring lattices, which do not require Laguerre-Gauss beams, large optical coherence lengths or interferometric stability. Simple control signals lead to spatial modulation and reproducible rotation, offering manifold possibilities for complex dynamic ring lattices. In conjunction with a magnetic trap, these scanned 2D intensity distributions from a single laser beam will enable precision trapping and manipulation of ultracold species using blue-detuned light. The technique is ideal for azimuthal ratchet, Mott insulator and persistent current experiments with quantum degenerate gases.

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