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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

We have built and operated an atom interferometer of the Mach-Zehnder type. The atomic wave is a supersonic beam of lithium seeded in argon and the mirrors and beam-splitters for the atomic wave are based on elastic Bragg diffraction on…

Quantum Physics · Physics 2016-08-16 Alain Miffre , Marion Jacquey , Matthias Büchner , Gérard Trenec , Jacques Vigue

We present a Michelson-type microwave interferometer for use in ferromagnetic resonance experiments. The interferometer is capable of broadband operation without manual adjustment of phase delay or amplitude attenuation. A prototype of the…

Mesoscale and Nanoscale Physics · Physics 2016-11-16 Eric R. J. Edwards , Anthony B. Kos , Mathias Weiler , Thomas J. Silva

By reentering into laser interferometers, scattered or stray light introduces non-linear noise. This is a major limitation of precision interferometers as preventing such parasitic light is nearly impossible. Thus, substantial effort is put…

Optics · Physics 2025-12-16 Daniel Voigt , Oliver Gerberding

A commercial single laser line Raman spectrometer is modified to accommodate multiline and tunable dye lasers, thus combining the high sensitivity of such single monochromator systems with broadband operation. Such instruments rely on…

Materials Science · Physics 2015-05-28 Gábor Fábián , Christian Kramberger , Alexander Friedrich , Ferenc Simon , Thomas Pichler

Collinear laser spectroscopy of fast atomic beams has been established as one of the main tools to perform precision experiments with atoms containing short-lived nuclei. Although highly sensitive, the spectral resolution of these…

Atomic Physics · Physics 2023-01-25 Jovan Jovanovic , Ronald Fernando Garcia Ruiz

Laser phase noise remains a limiting factor in many experimental settings, including metrology, time-keeping, as well as quantum optics. Hitherto this issue was addressed at low frequencies, ranging from well below 1 Hz to maximally 100…

Optics · Physics 2021-03-31 Michał Parniak , Ivan Galinskiy , Timo Zwettler , Eugene S. Polzik

We consider a class of proposed gravitational wave detectors based on multiple atomic interferometers separated by large baselines and referenced by common laser systems. We compute the sensitivity limits of these detectors due to intrinsic…

General Relativity and Quantum Cosmology · Physics 2015-06-03 John G. Baker , James Ira Thorpe

Time-resolved atom interferometry, as employed in applications such as gravitational wave detection and searches for ultra-light dark matter, requires precise control over systematic effects. In this work, we investigate phase noise arising…

Atomic Physics · Physics 2025-11-25 Noam Mouelle , Jeremiah Mitchell , Valerie Gibson , Ulrich Schneider

We present a modular rack-mounted laser system for the cooling and manipulation of neutral rubidium atoms which has been developed for a portable gravimeter based on atom interferometry that will be capable of performing high precision…

Atomic Physics · Physics 2015-05-19 Malte Schmidt , Marco Prevedelli , Antonio Giorgini , Guglielmo M. Tino , Achim Peters

A major limitation of laser interferometers using continuous wave lasers are parasitic light fields, such as ghost beams, scattered or stray light, which can cause non-linear noise. This is especially relevant for laser interferometric…

Monitoring and stabilizing the power ratio of laser pairs is significant to high-precision atom interferometers, especially as the compact electro-optic modulated all-fiber laser system prevails. In this Letter, we demonstrate a novel…

Atomic Physics · Physics 2022-06-22 Guochao Wang , Mingyue Yang , Enlong Wang , Xu Zhang , Aiai Jia , Lingxiao Zhu , Shuhua Yan , Jun Yang

Heterodyne laser phase measurements in a space-based gravitational wave interferometer are degraded by the phase fluctuations of the onboard clocks, resulting in unacceptable sensitivity performance levels of the interferometric data. In…

General Relativity and Quantum Cosmology · Physics 2015-08-19 Massimo Tinto , Nan Yu

Lasers are the workhorse of quantum engineering in the atomic-molecular-optic community. However, phase noise of the laser, which can be especially large in popular semiconductor-based lasers, can limit fidelity of operation. Here, we…

The coupling of Rydberg vapour medium to both microwave and optical fields allows harnessing the merits of all-optical detection, e.g. weak disruption of the measured field and invulnerability to extremely strong fields, owing to the lack…

Atomic Physics · Physics 2025-10-20 Sebastian Borówka , Mateusz Mazelanik , Wojciech Wasilewski , Michał Parniak

Atom interferometry has become one of the most powerful technologies for precision measurements. To develop simple, precise, and versatile atom interferometers for inertial sensing, we demonstrate an atom interferometer measuring…

Atomic Physics · Physics 2018-02-13 Xuejian Wu , Fei Zi , Jordan Dudley , Ryan J. Bilotta , Philip Canoza , Holger Müller

We propose a marginally stable optical resonator suitable for atom interferometry. The resonator geometry is based on two flat mirrors at the focal planes of a lens that produces the large beam waist required to coherently manipulate cold…

Atomic Physics · Physics 2017-08-02 I. Riou , N. Mielec , G. Lefèvre , M. Prevedelli , A. Landragin , P. Bouyer , A. Bertoldi , R. Geiger , B. Canuel

We report the realization of a matter-wave interferometer based on Raman transitions which simultaneously interrogates two different atomic species ($^{87}$Rb and $^{85}$Rb). The simultaneous aspect of our experiment presents encouraging…

Atomic Physics · Physics 2013-10-30 A. Bonnin , N. Zahzam , Y. Bidel , A. Bresson

We present here an analysis of the influence of the frequency dependence of the Raman laser light shifts on the phase of a Raman-type atom gravimeter. Frequency chirps are applied to the Raman lasers in order to compensate gravity and…

Atomic Physics · Physics 2016-01-20 B. Cheng , P. Gillot , S. Merlet , F. Pereira Dos Santos

We present a compact and transportable inertial sensor for precision sensing of rotations and accelerations. The sensor consists of a dual Mach-Zehnder-type atom interferometer operated with laser-cooled $^{87}$Rb. Raman processes are…

Atomic Physics · Physics 2015-05-13 T. Müller , M. Gilowski , M. Zaiser , T. Wendrich , W. Ertmer , E. M. Rasel