%0 Journal Article
%T Extending dark optical trapping geometries
%A Aidan S. Arnold
%J Physics
%D 2012
%I arXiv
%R 10.1364/OL.37.002505
%X New counter-propagating geometries are presented for localising ultracold atoms in the dark regions created by the interference of Laguerre-Gaussian laser beams. In particular dark helices, an 'optical revolver,' axial lattices of rings and axial lattices of ring lattices of rings are considered and a realistic scheme for achieving phase-stability is explored. The dark nature of these traps will enable their use as versatile tools for low-decoherence atom interferometry with zero differential light shifts.
%U http://arxiv.org/abs/1201.3385v2