142 citations · 1.1k across the 26 of their papers we have counts for
27 papers
Impact of light shift inhomogeneities on the contrast of light pulse atom interferometers
Maxime Pesche, Diego Lancheros Naranjo, Rayan Si-Ahmed +3
We study the loss of the contrast in an atom interferometer when increasing the duration of Raman mirror pulses, and find the contrast decay rate to increase with the interferomete…
Impact of rotation on a cold atom interferometer and compensation strategy
Noémie Marquet, Yannick Bidel, Malo Cadoret +8
Rotations play a detrimental role in achieving ultra-high-performance inertial measurements with an atom interferometer, leading potentially to a total loss of interference contras…
Advances in Atom Interferometry and their Impacts on the Performance of Quantum Accelerometers On-board Future Satellite Gravity Missions
Alireza HosseiniArania, Manuel Schilling, Quentin Beaufils +6
Recent advances in cold atom interferometry have cleared the path for space applications of quantum inertial sensors, whose level of stability is expected to increase dramatically…
CARIOQA: Definition of a Quantum Pathfinder Mission
T. Lévèque, C. Fallet, J. Lefebve +12
A strong potential gain for space applications is expected from the anticipated performances of inertial sensors based on cold atom interferometry (CAI) that measure the accelerati…
STE-QUEST -- Space Time Explorer and QUantum Equivalence principle Space Test: The 2022 medium-class mission concept
Naceur Gaaloul, Holger Ahlers, Leonardo Badurina +45
Space-borne quantum technologies, particularly those based on atom interferometry, are heralding a new era of strategic and robust space exploration. The unique conditions of space…
Separating the output ports of a Bragg interferometer via velocity selective transport
Raphaël Piccon, Sumit Sarkar, Sébastien Merlet +1
We report on the study of a detection scheme based on a Bloch separator in two-photon Bragg interferometers. We increase the spatial separation between the two output ports of the…
Gravity Field Mapping Using Laser Coupled Quantum Accelerometers in Space
T. Lévèque, C. Fallet, M. Mandea +9
The emergence of quantum technologies, including cold atom based accelerometers, offers an opportunity to improve the performances of space geodesy missions. In this context, CNES…
Impact of direct digital synthesizer finite resolution on atom gravimeters
R Karcher, Franck Pereira dos Santos, S Merlet
We report on the study of the impact of the finite resolution of the chirp rate applied on the frequency difference between the Raman lasers beamsplitters onto the phase of a free…
Simultaneous accurate determination of both gravity and its vertical gradient
R. Caldani, K Weng, S. Merlet +1
We present a method for the accurate measurements of both the gravity acceleration and its vertical gradient using a dual atom interferometer, in principle free from any uncertaint…
Differential phase extraction in dual interferometers exploiting the correlation between classical and quantum sensors
M. Langlois, R. Caldani, A. Trimeche +2
We perform the experimental demonstration of the method proposed in [Phys. Rev. A 91, 063615 (2015)] to extract the differential phase in dual atom interferometers. From a single m…
Active Control of Laser Wavefronts in Atom Interferometers
Azer Trimeche, Mehdi Langlois, Sébastien Merlet +1
Wavefront aberrations are identified as a major limitation in quantum sensors. They are today the main contribution in the uncertainty budget of best cold atom interferometers base…
Competition between Spin Echo and Spin Self-Rephasing in a Trapped Atom Interferometer
Cyrille Solaro, Alexis Bonnin, Frédéric Combes +5
We perform Ramsey interferometry on an ultracold 87Rb ensemble confined in an optical dipoletrap. We use a π-pulse set at the middle of the interferometer to restore the coherence…
Metrology with Atom Interferometry: Inertial Sensors from Laboratory to Field Applications
Bess Fang, Indranil Dutta, Pierre Gillot +8
Developments in atom interferometry have led to atomic inertial sensors with extremely high sensitivity. Their performances are for the moment limited by the ground vibrations, the…
Influence of chirping the Raman lasers in an atom gravimeter: phase shifts due to the Raman light shift and to the finite speed of light
B. Cheng, P. Gillot, S. Merlet +1
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…
Hybridizing matter-wave and classical accelerometers
Jean Lautier, Laurent Volodimer, Thomas Hardin +4
We demonstrate a hybrid accelerometer that benefits from the advantages of both conventional and atomic sensors in terms of bandwidth (DC to 430 Hz) and long term stability. First,…
Effective velocity distribution in an atom gravimeter: effect of the convolution with the response of the detection
Tristan Farah, Pierre Gillot, Bing Cheng +3
We present here a detailed study of the influence of the transverse motion of the atoms in a free-fall gravimeter. By implementing Raman selection in the horizontal directions at t…
State labelling Wannier-Stark atomic interferometers
Bruno Pelle, Adèle Hilico, Gunnar Tackmann +2
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 f…
Raman laser spectroscopy of Wannier Stark states
Gunnar Tackmann, Bruno Pelle, Adèle Hilico +2
Raman lasers are used as a spectroscopic probe of the state of atoms confined in a shallow 1D vertical lattice. For long enough laser pulses, resolved transitions in the bottom ban…
Laser controlled tunneling in a vertical optical lattice
Quentin Beaufils, Gunnar Tackmann, Xiaolong Wang +4
Raman laser pulses are used to induce coherent tunnelling between neighbouring sites of a vertical 1D optical lattice. Such tunneling occurs when the detuning of a probe laser from…
Application of lasers to ultracold atoms and molecules
Hélène Perrin, Pierre Lemonde, Franck Pereira Dos Santos +4
In this review, we discuss the impact of the development of lasers on ultracold atoms and molecules and their applications. After a brief historical review of laser cooling and Bos…
A cold atom pyramidal gravimeter with a single laser beam
Quentin Bodart, Sébastien Merlet, Nicola Malossi +3
We demonstrate a scheme for realizing a compact cold atom gravimeter. The use of a hollow pyramidal configuration allows to achieve all functions: trapping, interferometer and dete…
Double diffraction in an atomic gravimeter
Nicola Malossi, Quentin Bodart, Sébastien Merlet +3
We demonstrate the realization of a new scheme for cold atom gravimetry based on the use of double diffraction beamsplitters recently demonstrated in \cite{Leveque}, where the use…
Precision Spectroscopy of Atomic Hydrogen and Variations of Fundamental Constants
M. Fischer, N. Kolachevsky, M. Zimmermann +14
In 2003 we have measured the absolute frequency of the two-photon transition in atomic hydrogen. We observed a variati…
Cold Atom Clocks, Precision Oscillators and Fundamental Tests
S. Bize, P. Wolf, M. Abgrall +17
We describe two experimental tests of the Equivalence Principle that are based on frequency measurements between precision oscillators and/or highly accurate atomic frequency stand…