Mehdi Langlois
YOU?
Author Swipe
View article: Semiconductor optical amplifier-based laser system for cold-atom sensors
Semiconductor optical amplifier-based laser system for cold-atom sensors Open
Precise control of atomic systems has led to an array of emerging ‘quantum’ sensor concepts ranging from Rydberg-atom RF-electric probes to cold-atom interferometer gravimeters. Looking forward, the potential impact of these technologies h…
View article: Progress in the miniature trapped ion optical clock development with 16 cc sealed trap tube
Progress in the miniature trapped ion optical clock development with 16 cc sealed trap tube Open
Optical clocks have well surpassed the frequency stability performance of microwave clocks. They have been mainly limited to tabletop setups and large rack-mount systems. Miniaturizing optical clocks will make the new technology and capabi…
View article: Centralized design and production of the ultra-high vacuum and laser-stabilization systems for the AION ultra-cold strontium laboratories
Centralized design and production of the ultra-high vacuum and laser-stabilization systems for the AION ultra-cold strontium laboratories Open
This paper outlines the centralized design and production of the ultra-high-vacuum sidearm and laser-stabilization systems for the AION Ultra-Cold Strontium Laboratories. Commissioning data on the residual gas and steady-state pressures in…
View article: Centralised Design and Production of the Ultra-High Vacuum and Laser-Stabilisation Systems for the AION Ultra-Cold Strontium Laboratories
Centralised Design and Production of the Ultra-High Vacuum and Laser-Stabilisation Systems for the AION Ultra-Cold Strontium Laboratories Open
This paper outlines the centralised design and production of the Ultra-High-Vacuum sidearm and Laser-Stabilisation systems for the AION Ultra-Cold Strontium Laboratories. Commissioning data on the residual gas and steady-state pressures in…
View article: Polychromatic atom optics for atom interferometry
Polychromatic atom optics for atom interferometry Open
View article: Doppler compensation for cavity-based atom interferometry
Doppler compensation for cavity-based atom interferometry Open
We propose and demonstrate a scheme for Doppler compensated optical cavity enhancement of atom interferometers at significantly increased mode diameters. This overcomes the primary limitations in cavity enhancement for atom interferometry,…
View article: Quantum sensing for gravity cartography
Quantum sensing for gravity cartography Open
View article: Circulating pulse cavity enhancement as a method for extreme momentum transfer atom interferometry
Circulating pulse cavity enhancement as a method for extreme momentum transfer atom interferometry Open
Large-scale atom interferometers promise unrivaled strain sensitivity to mid-band gravitational waves, and will probe a new parameter space in the search for ultra-light scalar dark matter. These proposals require gradiometry with kilomete…
View article: Quantum sensing for gravitational cartography
Quantum sensing for gravitational cartography Open
The sensing of gravity has emerged as an important tool in geophysics for applications such as engineering and climate research 1,2,3 where it provides the capability to probe otherwise inaccessible features under the surface of…
View article: Doppler Compensated Cavity For Atom Interferometry
Doppler Compensated Cavity For Atom Interferometry Open
We propose and demonstrate a scheme to enable Doppler compensation within optical cavities for atom interferometry at significantly increased mode diameters. This has the potential to overcome the primary limitations in cavity enhancement …
View article: Circulating pulse cavity enhancement as a method for extreme momentum transfer atom interferometry
Circulating pulse cavity enhancement as a method for extreme momentum transfer atom interferometry Open
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…
View article: Reduction of background scattered light in vacuum systems for cold atoms experiments
Reduction of background scattered light in vacuum systems for cold atoms experiments Open
Recent advances in the understanding and control of cold atom systems have resulted in devices with extraordinary metrological performance. To further improve the performance in these systems, additional methods of noise reduction are need…
View article: AION: An Atom Interferometer Observatory and Network
AION: An Atom Interferometer Observatory and Network Open
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 expl…
View article: Quantum Absolute Sensors for Gravity Measurements
Quantum Absolute Sensors for Gravity Measurements Open
<p>Gravity measurements are performed with two different classes of instruments: gravimeters, most widely used, measure the gravity acceleration gand its variations, whereas gradiometers measure its gradient.</p><p>Quantu…
View article: Design and realisation of a cold atom gravity gradiometer
Design and realisation of a cold atom gravity gradiometer Open
Cette thèse porte sur la conception et la réalisation d’une nouvelle expérience d’interféromètre atomique au SYRTE. Elle permettra de réaliser des mesures ultrasensibles du gradient vertical de gravité. Cette expérience fonctionnera à term…
View article: Conception et réalisation d'un gradiomètre de gravité à atomes froids
Conception et réalisation d'un gradiomètre de gravité à atomes froids Open
This thesis is about the design and realisation of a new atomic interferometer experiment at SYRTE. It will allow ultra-sensitive measurements of the vertical gradient of gravity. This experiment will work using ultra-cold atoms as a sourc…
View article: Differential phase extraction in dual interferometers exploiting the correlation between classical and quantum sensors
Differential phase extraction in dual interferometers exploiting the correlation between classical and quantum sensors Open
International audience