2020
DOI: 10.1140/epjd/e2020-10417-8
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Differential interferometry using a Bose-Einstein condensate

Abstract: Out of a single Bose-Einstein condensate (BEC), we create two simultaneous interferometers, as employed for the differentiation between rotations and accelerations. Our method exploits the precise motion control of BECs combined with the precise momentum transfer by double Bragg diffraction for interferometry. In this way, the scheme avoids the complexity of two BEC sources and can be readily extended to a six-axis quantum inertial measurement unit. Graphical abstr… Show more

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Cited by 24 publications
(13 citation statements)
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“…The atoms are prepared in the magneto-optical traps (MOT 1&2), and propulsed towards each other. option for differential interferometry with Bose-Einstein condensates is presented in [17].…”
Section: Cai Mathematical Modelmentioning
confidence: 99%
“…The atoms are prepared in the magneto-optical traps (MOT 1&2), and propulsed towards each other. option for differential interferometry with Bose-Einstein condensates is presented in [17].…”
Section: Cai Mathematical Modelmentioning
confidence: 99%
“…In the case of Bragg interferometers, the output ports are in the same hyperfine state and differ only by their momentum. One can thus in principle spatially resolve the different momenta states after some free evolution, via absorption imaging on a CCD camera for instance [16]. This method ideally requires that the spatial separation between the output ports exceeds the size of the atomic cloud at the detection.…”
Section: Introductionmentioning
confidence: 99%
“…Atom interferometry offers a different approach for providing absolute measurements of inertial forces with high long-term stability. Moreover, achieving the necessary areas for competitive performance with matter waves is a long-standing challenge 4 10 . We propose an atom interferometer performing multiple loops in free fall.…”
Section: Introductionmentioning
confidence: 99%