Engineering an atom-interferometer with modulated light-induced 3 \pispin-orbit coupling

Published on Feb 16, 2015in arXiv: Atomic Physics
Abraham Olson6
Estimated H-index: 6
,
Chuan-Hsun Li3
Estimated H-index: 3
+ 2 AuthorsYong P. Chen64
Estimated H-index: 64
Sources
Abstract
We have developed an experimental method to modify the single-particle dispersion using periodic modulation of Raman beams which couple two spin-states of an ultracold atomic gas. The modulation introduces a new coupling between Raman-induced spin-orbit-coupled dressed bands, creating a second generation of dressed-state eigenlevels that feature both a novel 3{\pi} spin-orbit coupling and a pair of avoided crossings, which is used to realize an atomic interferometer. The spin polarization and energies of these eigenlevels are characterized by studying the transport of a Bose-Einstein condensate in this system, including observing a Stueckelberg interference.
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