Підписатись
Stefan Alaric Schäffer
Stefan Alaric Schäffer
University of Copenhagen
Підтверджена електронна адреса в nbi.ku.dk
Назва
Посилання
Посилання
Рік
Atomic clock performance beyond the geodetic limit
WF McGrew, X Zhang, RJ Fasano, SA Schäffer, K Beloy, D Nicolodi, ...
Nature 564, 87-90, 2018
831*2018
Frequency ratio measurements with 18-digit accuracy using a network of optical clocks
K Beloy, MI Bodine, T Bothwell, SM Brewer, SL Bromley, JS Chen, ...
Nature 591, 564–569, 2021
380*2021
AEDGE: atomic experiment for dark matter and gravity exploration in space
YA El-Neaj, C Alpigiani, S Amairi-Pyka, H Araújo, A Balaž, A Bassi, ...
EPJ Quantum Technology 7 (1), 1-27, 2020
370*2020
Towards the optical second: verifying optical clocks at the SI limit
WF McGrew, X Zhang, H Leopardi, RJ Fasano, D Nicolodi, K Beloy, J Yao, ...
Optica 6 (4), 448-454, 2019
1482019
Cold atoms in space: community workshop summary and proposed road-map
I Alonso, C Alpigiani, B Altschul, H Araújo, G Arduini, J Arlt, L Badurina, ...
EPJ Quantum Technology 9 (1), 1-55, 2022
712022
Lasing on a narrow transition in a cold thermal strontium ensemble
SA Schäffer, M Tang, MR Henriksen, AA Jørgensen, BTR Christensen, ...
Physical Review A 101 (1), 013819, 2020
682020
Optical-Clock-Based Time Scale
J Yao, JA Sherman, T Fortier, H Leopardi, T Parker, W McGrew, X Zhang, ...
Physical Review Applied 12 (4), 044069, 2019
492019
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
452015
Optical atomic clock comparison through turbulent air
MI Bodine, JD Deschênes, IH Khader, WC Swann, H Leopardi, K Beloy, ...
Physical Review Research 2 (3), 033395, 2020
352020
Dynamics of bad-cavity enhanced interaction with cold Sr atoms for laser stabilization
SA Schäffer, BTR Christensen, MR Henriksen, JW Thomsen
Physical Review A 96, 013847, 2017
252017
Faraday-shielded dc Stark-shift-free optical lattice clock
K Beloy, X Zhang, WF McGrew, N Hinkley, TH Yoon, D Nicolodi, ...
Physical review letters 120 (18), 183201, 2018
242018
Cavity-immune spectral features in the pulsed superradiant crossover regime
M Tang, SA Schäffer, AA Jørgensen, MR Henriksen, BTR Christensen, ...
Physical Review Research 3 (3), 033258, 2021
15*2021
Progress on optical‐clock‐based time scale at NIST: Simulations and preliminary real‐data analysis
J Yao, J Sherman, T Fortier, H Leopardi, T Parker, J Levine, J Savory, ...
Navigation: Journal of The Institute of Navigation 65 (4), 601-608, 2018
15*2018
Collectively enhanced Ramsey readout by cavity sub-to superradiant transition
EA Bohr, SL Kristensen, C Hotter, SA Schäffer, J Robinson-Tait, ...
Nature Communications 15 (1), 1084, 2024
112024
Towards passive and active laser stabilization using cavity-enhanced atomic interaction
SA Schäffer, BTR Christensen, SM Rathmann, MH Appel, MR Henriksen, ...
Journal of Physics: Conference Series 810 (1), 012002, 2017
102017
Prospects of a superradiant laser based on a thermal or guided beam of
M Tang, SA Schäffer, JH Müller
Physical Review A 106 (6), 063704, 2022
92022
Optical frequency measurements at 1× 10− 18 uncertainty with ytterbium optical lattice clocks
AD Ludlow, WF McGrew, X Zhang, D Nicolodi, RJ Fasano, SA Schaffer, ...
2018 Conference on Precision Electromagnetic Measurements (CPEM 2018), 1-2, 2018
72018
2018 Conference on Precision Electromagnetic Measurements (CPEM 2018)
AD Ludlow, WF McGrew, X Zhang, D Nicolodi, RJ Fasano, SA Schaffer, ...
IEEE, 2018
62018
Large waist cavity for ultra-narrow transition spectroscopy
SA Schäffer, SS Adsersen, BTR Christensen, JW Thomsen
Frequency Control Symposium & the European Frequency and Time Forum (FCS …, 2015
42015
Towards a continuous superradiant laser on the strontium 1S0-3P0 transition
C Beli Silva, F Famà, S Zhou, S Alaric Schäffer, G A Kazakov, B Pasquiou, ...
Bulletin of the American Physical Society 66, 2021
32021
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