English
Related papers

Related papers: Dual-axis, high data-rate atom interferometer via …

200 papers

We developed an ultra-compact high-resolution imaging system for cold atoms. Its only in-vacuum element is a multimode optical fiber with a diameter of $230\,\mu$m, which simultaneously collects light and guides it out of the vacuum…

Atomic Physics · Physics 2021-06-23 Nicolas Vitrant , Sébastien Garcia , Kilian Müller , Alexei Ourjoumtsev

We present a horizontal gravity gradiometer atom interferometer for precision gravitational tests. The horizontal configuration is superior for maximizing the inertial signal in the atom interferometer from a nearby proof mass. In our…

Atomic Physics · Physics 2015-06-23 G. W. Biedermann , X. Wu , L. Deslauriers , S. Roy , C. Mahadeswaraswamy , M. A. Kasevich

We propose a scheme for trapped atom interferometry using an interacting Bose-Einstein condensate. The condensate is controlled and spatially split in two confined external momentum modes through a series Bragg pulses. The proposed scheme…

Quantum Physics · Physics 2021-06-16 Robin Corgier , Luca Pezzè , Augusto Smerzi

We observe many-body pairing in a two-dimensional gas of ultracold fermionic atoms at temperatures far above the critical temperature for superfluidity. For this, we use spatially resolved radio-frequency spectroscopy to measure pairing…

We propose two distinct atom interferometer gravitational wave detectors, one terrestrial and another satellite-based, utilizing the core technology of the Stanford $10 \text{m}$ atom interferometer presently under construction. The…

General Relativity and Quantum Cosmology · Physics 2009-06-22 Savas Dimopoulos , Peter W. Graham , Jason M. Hogan , Mark A. Kasevich , Surjeet Rajendran

We demonstrate an atomic interferometer in which the atom passes through a single-zone optical beam, consisting of a pair of bichromatic counter-propagating fields. During the passage, the atomic wave packets in two distinct internal states…

Quantum Physics · Physics 2009-11-10 M. S. Shahriar , Y. Tan , M. Jheeta , J. Morzinksi , P. R. Hemmer , P. Pradhan

Quantum entanglement has been generated and verified in cold-atom experiments and used to make atom-interferometric measurements below the shot-noise limit. However, current state-of-the-art cold-atom devices exploit separable (i.e.…

Quantum Physics · Physics 2021-04-13 Stuart S. Szigeti , Onur Hosten , Simon A. Haine

We present a comprehensive framework for fusing measurements from multiple and generally placed accelerometers and gyroscopes to perform inertial navigation. Using the angular acceleration provided by the accelerometer array, we show that…

Signal Processing · Electrical Eng. & Systems 2022-01-31 Håkan Carlsson , Isaac Skog , Gustaf Hendeby , Joakim Jaldén

Matter-wave interferometers utilizing different isotopes or chemical elements intrinsically have different sensitivities, and the analysis tools available until now are insufficient for accurately estimating the atomic phase difference…

One of the main residual limitations of inertial sensors based on atom interferometry stems from laser beam distortions, which cause parasitic phase shifts and non-homogeneous matter-light couplings. Here we present numerical simulations,…

Atomic Physics · Physics 2025-11-11 Louis Pagot , Sébastien Merlet , Leonid A Sidorenkov , Franck Pereira dos Santos

We study the propagation of cold-atom wave packets in an interferometer with a Mach-Zehnder topology based on the dynamical phase of Bloch oscillation in a weakly forced optical lattice with a narrow potential barrier that functions as a…

Quantum Gases · Physics 2011-12-13 Uri London , Omri Gat

In this paper, we propose a new paradigm for atom interferometry and demonstrate that there exists a universal set of atom optic components for inertial sensing. These components constitute gates with which we carry out quantum operations…

Quantum Physics · Physics 2024-10-24 Catie LeDesma , Kendall Mehling , John Drew Wilson , Marco Nicotra , Murray Holland

IIn this paper we demonstrate a new scheme for Raman transitions which realize a symmetric momentum-space splitting of $4 \hbar k$, deflecting the atomic wave-packets into the same internal state. Combining the advantages of Raman and Bragg…

Fast frame-rates are desirable in scanning transmission electron microscopy for a number of reasons: controlling electron beam dose, capturing in-situ events or reducing the appearance of scan distortions. Whilst several strategies exist…

Instrumentation and Detectors · Physics 2023-08-09 Jonathan J. P Peters , Tiarnan Mullarkey , James A. Gott , Elizabeth Nelson , Lewys Jones

We describe a novel atom trap for Bose-Einstein condensates of 87Rb to be used in atom interferometry experiments. The trap is based on a time-orbiting potential waveguide. It supports the atoms against gravity while providing weak…

Other Condensed Matter · Physics 2009-11-11 J. M. Reeves , O. Garcia , B. Deissler , K. L. Baranowski , K. J. Hughes , C. A. Sackett

Active interferometers use amplifying elements for beam splitting and recombination. We experimentally implement such a device by using spin exchange in a Bose-Einstein condensate. The two interferometry modes are initially empty spin…

Quantum Gases · Physics 2017-11-15 D. Linnemann , J. Schulz , W. Muessel , P. Kunkel , M. Prüfer , A. Frölian , H. Strobel , M. K. Oberthaler

Using cold 87Rb atoms trapped in a 1D-optical lattice, atomic interferometers involving coherent superpositions between different Wannier-Stark atomic states are realized. Two di fferent kinds of trapped interferometer schemes are…

We show how strongly interacting two-dimensional Dirac fermions can be realized with ultracold atoms in a two-dimensional optical square lattice with an experimentally realistic, inherent gauge field, which breaks time-reversal and…

Quantum Gases · Physics 2015-05-13 Lih-King Lim , Achilleas Lazarides , Andreas Hemmerich , C. Morais Smith

In this paper we demonstrate a magnetically guided Cesium (Cs) atom interferometer in the Talbot-Lau regime for inertial sensing with two interferometer schemes, Mach-Zenhder and Ramsey-Borde. The recoil frequency of the Cs atoms and the…

Atomic Physics · Physics 2017-04-26 Lu Qi , Zhaohui Hu , Tristan Valenzuela , Yuchi Zhang , Yueyang Zhai , Wei Quan , Nick Waltham , Jiancheng Fang

We demonstrate a proof-of-principle of direct Earth gravity gradient measurement with an atom interferometer-based gravity gradiomter using a single proof mass of cold 87 rubidium atoms. The atomic gradiometer is implemented in the…

‹ Prev 1 8 9 10 Next ›