Competition effects of multiple quantum paths in an atom interferometer
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.08.016
Abstract: Abstract We present an observation of competition effect among multiple quantum paths in a Raman-type Mach–Zehnder atom interferometer. The contrast of interference fringes is studied in a co-propagating three-Raman-pulse atom interferometer. By measuring the contrast… read more here.
Keywords: quantum paths; contrast; multiple quantum; competition effects ... See more keywords
Exploring gravity with the MIGA large scale atom interferometer
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-32165-z
Abstract: We present the MIGA experiment, an underground long baseline atom interferometer to study gravity at large scale. The hybrid atom-laser antenna will use several atom interferometers simultaneously interrogated by the resonant mode of an optical… read more here.
Keywords: atom; large scale; scale atom; atom interferometer ... See more keywords
AION: an atom interferometer observatory and network
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2020/05/011
Abstract: We outline the experimental concept and key scientific capabilities of AION (Atom Interferometer Observatory and Network), a proposed UK-based experimental programme using cold strontium atoms to search for ultra-light dark matter, to explore gravitational waves… read more here.
Keywords: aion; atom interferometer; cosmology; network ... See more keywords
A compact atom interferometer for field gravity measurements
Sign Up to like & getrecommendations! Published in 2019 at "Laser Physics"
DOI: 10.1088/1555-6611/aafd26
Abstract: We report a compact atom interferometer in the Mach–Zehnder geometry for gravity measurement. The local gravity is measured to be 9.791 589 m s−2 with relative sensitivity Δg reaching 2.9 × 10−7 g in 320… read more here.
Keywords: field; interferometer field; compact atom; atom interferometer ... See more keywords
Characterization of an atom interferometer in the quasi-Bragg regime
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.105.033302
Abstract: We provide a comprehensive study of ultra-cold atom diffraction by an optical lattice. We focus on an intermediate regime between the Raman-Nath and the Bragg regimes, the so-called quasiBragg regime. The experimental results are in… read more here.
Keywords: atom; interferometer quasi; atom interferometer; regime ... See more keywords
Calibration of atomic trajectories in a large-area dual-atom-interferometer gyroscope
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.97.013620
Abstract: We propose and demonstrate a method for calibrating atomic trajectories in a large-area dual-atom-interferometer gyroscope. The atom trajectories are monitored by modulating and delaying the Raman transition, and they are precisely calibrated by controlling the… read more here.
Keywords: atomic trajectories; interferometer gyroscope; atom interferometer; dual atom ... See more keywords
Phase Shift in an Atom Interferometer due to Spacetime Curvature across its Wave Function.
Sign Up to like & getrecommendations! Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.118.183602
Abstract: Spacetime curvature induces tidal forces on the wave function of a single quantum system. Using a dual light-pulse atom interferometer, we measure a phase shift associated with such tidal forces. The macroscopic spatial superposition state… read more here.
Keywords: spacetime curvature; phase shift; wave function; interferometer ... See more keywords
Atom Interferometer Driven by a Picosecond Frequency Comb.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.173204
Abstract: We demonstrate a light-pulse atom interferometer based on the diffraction of free-falling atoms by a picosecond frequency-comb laser. More specifically, we coherently split and recombine wave packets of cold ^{87}Rb atoms by driving stimulated Raman… read more here.
Keywords: atom interferometer; frequency comb; picosecond frequency;
ZAIGA: Zhaoshan long-baseline atom interferometer gravitation antenna
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Modern Physics D"
DOI: 10.1142/s0218271819400054
Abstract: The Zhaoshan long-baseline Atom Interferometer Gravitation Antenna (ZAIGA) is a new type of underground laser-linked interferometer facility, and is currently under construction. It is in the 200-m-on-average underground of a mountain named Zhaoshan which is… read more here.
Keywords: long baseline; atom; gravitation; zhaoshan long ... See more keywords
Modular-assembled laser system for a long-baseline atom interferometer.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.458361
Abstract: The Zhaoshan long-baseline Atom Interferometer Gravitation Antenna (ZAIGA) is a new, to the best of our knowledge, type of large-scale atom interferometer facility under construction for the study of gravitation and related problems. To meet… read more here.
Keywords: atom interferometer; laser system; laser;