672 citations · 2.6k across the 27 of their papers we have counts for
28 papers
Optical clock network tracks tidal variations of the gravity potential
Kilian Stahl, Ingo Nosske, Chetan Vishwakarma +41
Gravity affects the passage of time, as described by General Relativity. On Earth, the rate of a clock as seen by a fixed observer changes by about one part in per metre…
International Optical Clock Comparison Using the European Optical Fiber Network
Marco Pizzocaro, Clara Zyskind, Anne Amy-Klein +41
Optical clocks have achieved remarkable estimated fractional frequency uncertainties reaching the level and below, enabling applications in fundamental physics, general…
Influence of a magnetic field on the frequency of a laser stabilized to molecular iodine
Jonathan Gillot, Joannes Barbarat, Charles Philippe +3
We report on the effect of a weak magnetic field applied on an iodine cell used to frequency stabilize a laser. A 1.5m laser is frequency tripled in order to excite the molecul…
First-order thermal insensitivity of the frequency of a narrow spectral hole in a crystal
S. Zhang, S. Seidelin, R. Le Targat +3
The possibility of generating an narrow spectral hole in a rare-earth doped crystal opens the gateway to a variety of applications, one of which is the realization of an ultrastabl…
Search for vector dark matter in microwave cavities with Rydberg atoms
Jordan Gué, Aurélien Hees, Jérôme Lodewyck +2
We propose a novel experiment to search for dark matter, based on the application of an electric field inside a microwave cavity and electrometry using Rydberg atoms. We show that…
Limitations due to residual interference in a fiber-based optical frequency reference at 1.55 m
Karim Manamanni, Tatiana Steshchenko, Fabrice Wiotte +8
We present an experimental investigation of the stability limits specific to optical frequency standards using a fiber-optic architecture and semiconductor lasers. A compact setup…
Precision measurements of electric-field-induced frequency displacements of an ultranarrow optical transition in ions in a solid
S. Zhang, N. Lučić, N. Galland +5
We report a series of measurements of the effect of an electric field on the frequency of the ultranarrow linewidth optical transition of …
Inhomogeneous response of an ion ensemble from mechanical stress
S. Zhang, N. Galland, N. Lučić +6
Material strain has recently received growing attention as a complementary resource to control the energy levels of quantum emitters embedded inside a solid-state environment. Some…
Double-heterodyne probing for ultra-stable laser based on spectral hole burning in a rare-earth doped crystal
N. Galland, N. Lucic, S. Zhang +7
We present an experimental technique for realizing a specific absorption spectral pattern in a rare-earth-doped crystal at cryogenic temperatures. This pattern is subsequently prob…
Mechanical tunability of an ultra-narrow spectral feature with uniaxial stress
N. Galland, N. Lucic, B. Fang +6
Rare-earth doped crystals have numerous applications ranging from frequency metrology to quantum information processing. To fully benefit from their exceptional coherence propertie…
High-precision methanol spectroscopy with a widely tunable SI-traceable frequency-comb-based mid-infrared QCL
R. Santagata, D. Tran, B. Argence +14
There is an increasing demand for precise molecular spectroscopy, in particular in the mid-infrared fingerprint window that hosts a considerable number of vibrational signatures, w…
A noise-immune cavity-assisted non-destructive detection for an optical lattice clock in the quantum regime
G. Vallet, E. Bookjans, U. Eismann +3
We present and implement a non-destructive detection scheme for the transition probability readout of an optical lattice clock. The scheme relies on a differential heterodyne measu…
First international comparison of fountain primary frequency standards via a long distance optical fiber link
J. Guéna, S. Weyers, M. Abgrall +25
We report on the first comparison of distant caesium fountain primary frequency standards (PFSs) via an optical fiber link. The 1415 km long optical link connects two PFSs at LNE-S…
Semi-classical Dynamics of Superradiant Rayleigh Scattering in a Bose-Einstein Condensate
J. H. Müller, D. Witthaut, R. le Targat +3
Due to its coherence properties and high optical depth, a Bose-Einstein condensate provides an ideal setting to investigate collective atom-light interactions. Superradiant light s…
Optical to microwave clock frequency ratios with a nearly continuous strontium optical lattice clock
Jérôme Lodewyck, Sławomir Bilicki, Eva Bookjans +10
Optical lattice clocks are at the forefront of frequency metrology. Both the instability and systematic uncertainty of these clocks have been reported to be two orders of magnitude…
Development of a strontium optical lattice clock for the SOC mission on the ISS
S. Origlia, S. Schiller, M. S. Pramod +25
The ESA mission "Space Optical Clock" project aims at operating an optical lattice clock on the ISS in approximately 2023. The scientific goals of the mission are to perform tests…
Comparing a mercury optical lattice clock with microwave and optical frequency standards
R Tyumenev, M Favier, S Bilicki +9
In this paper we report the evaluation of an optical lattice clock based on neutral mercury down to a relative uncertainty of . Comparing this characterized fre…
A clock network for geodesy and fundamental science
C. Lisdat, G. Grosche, N. Quintin +32
Leveraging the unrivaled performance of optical clocks in applications in fundamental physics beyond the standard model, in geo-sciences, and in astronomy requires comparing the fr…
Atomic fountains and optical clocks at SYRTE: status and perspectives
M. Abgrall, B. Chupin, L. De Sarlo +9
In this article, we report on the work done with the LNE-SYRTE atomic clock ensemble during the last 10 years. We cover progress made in atomic fountains and in their application t…
Polarizabilities of the 87Sr Clock Transition
C Shi, J. -L Robyr, U Eismann +4
In this paper, we propose an in-depth review of the vector and tensor polarizabilities of the two energy levels of the 87Sr clock transition whose measurement was reported in [P. G…
Development of a strontium optical lattice clock for the SOC mission on the ISS
K. Bongs, Y. Singh, L. Smith +24
Ultra-precise optical clocks in space will allow new studies in fundamental physics and astronomy. Within an European Space Agency (ESA) program, the Space Optical Clocks (SOC) pro…
Spectral purity transfer between optical wavelengths at the level
Daniele Nicolodi, Béengère Argence, Wei Zhang +3
Ultra-stable lasers and optical frequency combs have been the enabling technologies for the tremendous progress of precise optical spectroscopy in the last ten years. To improve la…
Creation of Quantum-Degenerate Gases of Ytterbium in a Compact 2D-/3D-MOT Setup
Sören Dörscher, Alexander Thobe, Bastian Hundt +5
We report on the first experimental setup based on a 2D-/3D-MOT scheme to create both Bose-Einstein condensates and degenerate Fermi gases of several ytterbium isotopes. Our setup…
Experimenting an optical second with strontium lattice clocks
R. Le Targat, L. Lorini, Y. Le Coq +17
Progress in realizing the SI second had multiple technological impacts and enabled to further constraint theoretical models in fundamental physics. Caesium microwave fountains, rea…