English
Related papers

Related papers: Atomic interferometer based on optical tweezers

200 papers

Light-pulse atom interferometers based on single-photon transitions are a promising tool for gravitational-wave detection in the mid-frequency band and the search for ultralight dark-matter fields. Here we present a novel measurement scheme…

Atomic Physics · Physics 2025-01-28 Albert Roura

We propose two distinct atom interferometer gravitational wave detectors, one terrestrial and another satellite-based, utilizing the core technology of the Stanford 10 m atom interferometer presently under construction. Each configuration…

General Relativity and Quantum Cosmology · Physics 2009-01-07 Savas Dimopoulos , Peter W. Graham , Jason M. Hogan , Mark A. Kasevich , Surjeet Rajendran

We propose a new scheme for an improved determination of the Newtonian gravitational constant G and evaluate it by numerical simulations. Cold atoms in free fall are probed by atom interferometry measurements to characterize the…

Atomic Physics · Physics 2021-07-12 M. Jain , G. M. Tino , L. Cacciapuoti , G. Rosi

We study the best attainable measurement precision when a double-well trap with bosons inside acts as an interferometer to measure the energy difference of the atoms on the two sides of the trap. We introduce time independent perturbation…

Quantum Physics · Physics 2012-06-12 Juha Javanainen , Han Chen

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

We evaluate the realization of a novel geometry of a guided atom interferometer based on a high temperature superconducting microstructure. The interferometer type structure is obtained with a guiding potential realized by two current…

Atomic Physics · Physics 2009-11-13 T. Mueller , X. Wu , A. Mohan , A. Eyvazov , Y. Wu , R. Dumke

Recently, it has been proposed that space-based atomic sensors may be used to detect gravitational waves. These proposals describe the sensors either as clocks or as atom interferometers. Here, we seek to explore the fundamental…

Atomic Physics · Physics 2017-11-13 Matthew A. Norcia , Julia R. K. Cline , James K. Thompson

We present a precision gravimeter based on coherent Bragg diffraction of freely falling cold atoms. Traditionally, atomic gravimeters have used stimulated Raman transitions to separate clouds in momentum space by driving transitions between…

The quantum statistics of atoms is typically observed in the behavior of an ensemble via macroscopic observables. However, quantum statistics modifies the behavior of even two particles, inducing remarkable consequences that are at the…

Large scale atom interferometers promise unrivaled strain sensitivity to midband (0.1 - 10 Hz) gravitational waves, and will probe a new parameter space in the search for ultra-light scalar dark matter. These atom interferometers require a…

Atomic Physics · Physics 2020-12-14 R. Nourshargh , S. Lellouch , S. Hedges , M. Langlois , K. Bongs , M. Holynski

The past three decades have shown dramatic progress in the ability to manipulate and coherently control the motion of atoms. This exquisite control offers the prospect of a new generation of inertial sensors with unprecedented sensitivity…

We demonstrate a closed-loop light-pulse atom interferometer inertial sensor that can realize continuous decoupled measurements of acceleration and rotation rate. The sensor operates with double-loop atom interferometers, which share the…

Atomic Physics · Physics 2024-04-16 Zhi-Xin Meng , Pei-Qiang Yan , Sheng-Zhe Wang , Xiao-Jie Li , Hong-bo Xue , Yan-Ying Feng

The influence of an external test mass on the phase of the signal of an atom interferometer is studied theoretically. Using traditional techniques in atom optics based on the density matrix equations in the Wigner representation, we are…

Atomic Physics · Physics 2016-03-15 B. Dubetsky , S. B. Libby , P. R. Berman

Matter-wave interferometry and spectroscopy of optomechanical resonators offer complementary advantages. Interferometry with cold atoms is employed for accurate and long-term stable measurements, yet it is challenged by its dynamic range…

A trapped-atom interferometer was demonstrated using gaseous Bose-Einstein condensates coherently split by deforming an optical single-well potential into a double-well potential. The relative phase between the two condensates was…

Soft Condensed Matter · Physics 2009-11-10 Y. Shin , M. Saba , T. A. Pasquini , W. Ketterle , D. E. Pritchard , A. E. Leanhardt

Optical clocks based on atoms and ions achieve exceptional precision and accuracy, with applications to relativistic geodesy, tests of relativity, and searches for dark matter. Achieving such performance requires balancing competing…

Atomic Physics · Physics 2019-09-17 Matthew A. Norcia , Aaron W. Young , William J. Eckner , Eric Oelker , Jun Ye , Adam M. Kaufman

Atom interferometry using stimulated Raman transitions in a retroreflected configuration is the first choice in high precision measurements because it provides low phase noise, high quality Raman wavefront and simple experimental setup.…

Optical tweezers have become essential tools to manipulate atoms or molecules at a single particle level. However, using standard diffracted-limited optical systems, the transverse size of the trap is lower bounded by the optical…

We propose a compact atom interferometry scheme for measuring weak, time-dependent accelerations. Our proposal uses an ensemble of dilute trapped bosons with two internal states that couple to a synthetic gauge field with opposite charges.…

Quantum Physics · Physics 2011-03-17 Brandon M. Anderson , Jacob M. Taylor , Victor M. Galitski

Light-pulse atom interferometers constitute powerful quantum sensors for inertial forces. They are based on delocalised spatial superpositions and the combination with internal transitions directly links them to atomic clocks. Since…

‹ Prev 1 4 5 6 7 8 10 Next ›