Efficient two-mode interferometers with spinor Bose-Einstein condensates
arXiv:1803.04788 · doi:10.1103/PhysRevA.98.013610
Abstract
We consider general three-mode interferometers using a spin-1 atomic Bose-Einstein condensate with macroscopic magnetization. We show that these interferometers, combined with the measurement of the number of particles in each output port, provide an ultra-high phase sensitivity. We construct effective two-mode interferometers which involve two Zeeman modes showing that they also provide an ultra-high phase sensitivity but of a bit reduced factor in the corresponding Fisher information. A special case of zero magnetization is shown to persist the efficiency of the two-mode interferometry.
arXiv comment13 pages, 6 figures
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- Tailored generation of quantum states in an entangled spinor interferometer to overcome detection noise