Experimental realization of an optical second with strontium lattice clocks R Le Targat, L Lorini, Y Le Coq, M Zawada, J Guéna, M Abgrall, M Gurov, ...
Nature communications 4 (1), 2109, 2013
337 2013 Ultrastable lasers based on vibration insensitive cavities J Millo, DV Magalhães, C Mandache, Y Le Coq, EML English, ...
Physical Review A 79 (5), 053829, 2009
277 2009 Lattice-induced frequency shifts in Sr optical lattice clocks at the 10− 17 level PG Westergaard, J Lodewyck, L Lorini, A Lecallier, EA Burt, M Zawada, ...
Physical review letters 106 (21), 210801, 2011
178 2011 An optical lattice clock with spin-polarized 87 Sr atoms X Baillard, M Fouché, R Le Targat, PG Westergaard, A Lecallier, ...
The European Physical Journal D 48, 11-17, 2008
150 2008 Nondestructive measurement of the transition probability in a Sr optical lattice clock J Lodewyck, PG Westergaard, P Lemonde
Physical Review A 79 (6), 061401, 2009
134 2009 Accuracy evaluation of an optical lattice clock with bosonic atoms X Baillard, M Fouché, R Le Targat, PG Westergaard, A Lecallier, Y Le Coq, ...
Optics Letters 32 (13), 1812-1814, 2007
134 2007 Minimizing the Dick effect in an optical lattice clock PG Westergaard, J Lodewyck, P Lemonde
IEEE transactions on ultrasonics, ferroelectrics, and frequency control 57 …, 2010
79 2010 Frequency stability of optical lattice clocks J Lodewyck, PG Westergaard, A Lecallier, L Lorini, P Lemonde
New Journal of Physics 12 (6), 065026, 2010
44 2010 Nonlinear spectroscopy of Sr atoms in an optical cavity for laser stabilization BTR Christensen, MR Henriksen, SA Schäffer, PG Westergaard, D Tieri, ...
Physical Review A 92 (5), 053820, 2015
39 2015 Observation of Motion Dependent Nonlinear Dispersion with Narrow Linewidth Atoms in an Optical Cavity PG Westergaard, BTR Christensen, D Tieri, R Matin, J Cooper, M Holland, ...
Physical Review Letters 114 (9), 093002, 2015
38 2015 Enhancement of the performance of a fiber-based frequency comb by referencing to an acetylene-stabilized fiber laser T Talvard, PG Westergaard, MV DePalatis, NF Mortensen, M Drewsen, ...
Optics express 25 (3), 2259-2269, 2017
25 2017 Differential high-resolution stimulated CW Raman spectroscopy of hydrogen in a hollow-core fiber PG Westergaard, M Lassen, JC Petersen
Optics express 23 (12), 16320-16328, 2015
21 2015 Experimental Determination of the I Lifetime BB Jensen, H Ming, PG Westergaard, K Gunnarsson, MH Madsen, ...
Physical Review Letters 107 (11), 113001, 2011
19 2011 Compact and versatile laser system for polarization-sensitive stimulated Raman spectroscopy H Kerdoncuff, MR Pollard, PG Westergaard, JC Petersen, M Lassen
Optics Express 25 (5), 5618-5625, 2017
12 2017 Compact, CO2 -stabilized tuneable laser at 2.05 microns PG Westergaard, JW Thomsen, MR Henriksen, M Michieletto, M Triches, ...
Optics Express 24 (5), 4872-4880, 2016
12 2016 All-optical detection of acoustic pressure waves with applications in photoacoustic spectroscopy PG Westergaard, M Lassen
Applied Optics 55 (29), 8266-8270, 2016
10 2016 Horloge à réseau optique au Strontium: en quête de la performance ultime PG Westergaard
Paris, Télécom ParisTech, 2010
10 2010 Hyperfine structure of the manifold of i NK Kjøller, SG Porsev, PG Westergaard, N Andersen, JW Thomsen
Physical Review A 91 (3), 032515, 2015
2 2015