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Published in 2017 at "Advances in Space Research"
DOI: 10.1016/j.asr.2017.12.005
Abstract: Abstract The prospects of future satellite gravimetry missions to sustain a continuous and improved observation of the gravitational field have stimulated studies of new concepts of space inertial sensors with potentially improved precision and stability.…
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Keywords:
cold atom;
atom interferometry;
field;
gradiometer ... See more keywords
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Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-21628-z
Abstract: Bose-Einstein condensates (BECs) in free fall constitute a promising source for space-borne interferometry. Indeed, BECs enjoy a slowly expanding wave function, display a large spatial coherence and can be engineered and probed by optical techniques.…
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Keywords:
space;
atom interferometry;
interferometry;
ultracold atom ... See more keywords
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Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-22823-8
Abstract: Inertial sensors based on cold atoms have great potential for navigation, geodesy, or fundamental physics. Similar to the Sagnac effect, their sensitivity increases with the space-time area enclosed by the interferometer. Here, we introduce twin-lattice…
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Keywords:
lattice atom;
twin lattice;
atom interferometry;
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Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.023617
Abstract: We present new techniques for inertial-sensing atom interferometers which produce multiple phase measurements per experimental cycle. With these techniques, we realize two types of multiport measurements, namely quadrature phase detection and real-time systematic phase cancellation,…
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Keywords:
atom interferometry;
interferometry inertial;
multiport atom;
phase ... See more keywords
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Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.063625
Abstract: We present designs for the augmentation ``mirror'' pulses of large-momentum-transfer atom interferometers that maintain their fidelity as the wave-packet momentum difference is increased. These biselective pulses, tailored using optimal control methods to the evolving bimodal…
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Keywords:
momentum;
pulses large;
atom interferometry;
biselective pulses ... See more keywords
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Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.013307
Abstract: We propose a tractor atom interferometer (TAI) based on three-dimensional (3D) confinement and transport of split atomic wavefunction components in potential wells that follow programmed paths. The paths are programmed to split and recombine atomic…
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Keywords:
tractor;
tractor atom;
tai;
atom interferometry ... See more keywords
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Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.96.063606
Abstract: An atom interferometer serves as a sensitive tiltmeter that can measure Earth's tidal deformations.
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Keywords:
quantum tiltmeter;
tiltmeter atom;
atom interferometry;
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Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.99.023615
Abstract: A method for mitigating the readout delay characteristic of Bragg-based atom interferometry is presented, utilizing an asymmetric Mach-Zehnder interferometer sequence to generate spatial fringes that are read out while still overlapped. The time of flight…
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Keywords:
readout delay;
atom interferometry;
spatial fringes;
bragg ... See more keywords
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Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.119.253201
Abstract: Gravity gradients represent a major obstacle in high-precision measurements by atom interferometry. Controlling their effects to the required stability and accuracy imposes very stringent requirements on the relative positioning of freely falling atomic clouds, as…
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Keywords:
gravity;
phase shift;
gravity gradients;
atom interferometry ... See more keywords
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Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.119.263601
Abstract: We report on the realization of a matter-wave interferometer based on single-photon interaction on the ultranarrow optical clock transition of strontium atoms. We experimentally demonstrate its operation as a gravimeter and as a gravity gradiometer.…
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Keywords:
clock transition;
optical clock;
interferometry optical;
atom interferometry ... See more keywords
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Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.183202
Abstract: Floquet engineering offers a compelling approach for designing the time evolution of periodically driven systems. We implement a periodic atom-light coupling to realize Floquet atom optics on the strontium ^{1}S_{0}-^{3}P_{1} transition. These atom optics reach…
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Keywords:
atom optics;
atom interferometry;
floquet atom;
optics ... See more keywords