27 citations · 83 across the 8 of their papers we have counts for
8 papers
Heating rate measurement and characterization of a prototype surface-electrode trap for optical frequency metrology
Thomas Lauprêtre, Bachir Achi, Lucas Groult +4
We present the characterization of a prototype surface-electrode (SE) trap as a first step towards the realization of a compact, single-ion optical clock based on Yb. The use o…
Residual amplitude modulation at the level for ultra-stable lasers
Jonathan Gillot, Santerelli Falzon Tetsing-Talla, Séverine Denis +4
The stabilization of lasers on ultra-stable optical cavities by the Pound-Drever-Hall (PDH) technique is a widely used method. The PDH method relies on the phase-modulation of the…
Absolute frequency measurements of the transition in ytterbium
Thomas Lauprêtre, Lucas Groult, Bachir Achi +4
The ytterbium atom is widely used in the fields of atomic physics, cavity quantum electrodynamics, quantum information processing and optical frequency standards. There is however…
Compact Yb optical atomic clock project: design principle and current status
Clément Lacroûte, Maël Souidi, Pierre-Yves Bourgeois +6
We present the design of a compact optical clock based on the 435.5 nm transition in Yb. The ion trap will be based on a micro-fabrica…
Influence of the ESR saturation on the power sensitivity of cryogenic sapphire resonators
Vincent Giordano, Serge Grop, Pierre-Yves Bourgeois +2
Here, we study the paramagnetic ions behavior in presence of a strong microwave electromagnetic field sustained inside a cryogenic sapphire whispering gallery mode resonator. The h…
Controlling the Frequency-Temperature Sensitivity of a Cryogenic Sapphire Maser Frequency Standard by Manipulating Fe3+ Spins in the Sapphire Lattice
Karim Benmessai, Daniel L. Creedon, Mohamad Mrad +5
To create a stable signal from a cryogenic sapphire maser frequency standard, the frequency-temperature dependence of the supporting Whispering Gallery mode must be annulled. We re…
Fe3+ paramagnetic ion in α-Al2 O3 energy levels revisited. Application to a 31 GHz Maser proposal
M. Mrad, P. Y. Bourgeois, Y. Kersalé +1
The molecular structure of a 3d 5 configuration ion in a trigonal ligand field is theoretically established on the basis of the 252\times252 complete energy matrice. The optical ab…
Unprecedented High Long Term Frequency Stability with a Macroscopic Resonator Oscillator
Serge Grop, Wolfgang Schäfer, Pierre-Yves Bourgeois +5
This article reports on the long-term frequency stabilty characterisation of a new type of cryogenic sapphire oscillator using an autonomous pulse-tube cryocooler as its cold sourc…