JILA SrI optical lattice clock with uncertainty of
We report on an improved systematic evaluation of the JILA SrI optical lattice clock,
achieving a nearly identical uncertainty compared to the previous strontium record set by the …
achieving a nearly identical uncertainty compared to the previous strontium record set by the …
Comparing ultrastable lasers at 7 × 10−17 fractional frequency instability through a 2220 km optical fibre network
Ultrastable lasers are essential tools in optical frequency metrology enabling unprecedented
measurement precision that impacts on fields such as atomic timekee**, tests of …
measurement precision that impacts on fields such as atomic timekee**, tests of …
Test of special relativity using a fiber network of optical clocks
P Delva, J Lodewyck, S Bilicki, E Bookjans, G Vallet… - Physical review …, 2017 - APS
Phase compensated optical fiber links enable high accuracy atomic clocks separated by
thousands of kilometers to be compared with unprecedented statistical resolution. By …
thousands of kilometers to be compared with unprecedented statistical resolution. By …
Transportable Optical Lattice Clock with Uncertainty
SB Koller, J Grotti, S Vogt, A Al-Masoudi, S Dörscher… - Physical review …, 2017 - APS
We present a transportable optical clock (TOC) with Sr 87. Its complete characterization
against a stationary lattice clock resulted in a systematic uncertainty of 7.4× 10-17, which is …
against a stationary lattice clock resulted in a systematic uncertainty of 7.4× 10-17, which is …
Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks
BM Roberts, P Delva, A Al-Masoudi… - New Journal of …, 2020 - iopscience.iop.org
We search for transient variations of the fine structure constant using data from a European
network of fiber-linked optical atomic clocks. By searching for coherent variations in the …
network of fiber-linked optical atomic clocks. By searching for coherent variations in the …
Compact optical atomic clock based on a two-photon transition in rubidium
KW Martin, G Phelps, ND Lemke, MS Bigelow… - Physical Review …, 2018 - APS
Extralaboratory atomic clocks are necessary for a wide array of applications (eg, satellite-
based navigation and communication). Building upon existing vapor-cell and laser …
based navigation and communication). Building upon existing vapor-cell and laser …
A compact, transportable single-ion optical clock with 7.8 × 10−17 systematic uncertainty
A transportable optical clock based on the 4s 2 S 1/2-3d 2 D 5/2 electric quadrupole
transition at 729 nm of a single 40 Ca+ ion trapped in a mini Paul trap has been developed …
transition at 729 nm of a single 40 Ca+ ion trapped in a mini Paul trap has been developed …
Toward a Transportable Optical Clock with a Systematic Uncertainty of 4.8 × 10−18
M Zeng, Y Huang, B Zhang, Y Hao, Z Ma, R Hu… - Physical Review …, 2023 - APS
We present the compact long-term nearly continuous operation of a room-temperature Ca+-
optical-clock setup towards a transportable clock, achieving an overall systematic …
optical-clock setup towards a transportable clock, achieving an overall systematic …
A strontium optical lattice clock with 1× 10− 17 uncertainty and measurement of its absolute frequency
We present a measurement of the absolute frequency of the 5 s 2 1 S 0 to 5s5p 3 P 0
transition in 87 Sr which is a secondary representation of the SI second. We describe the …
transition in 87 Sr which is a secondary representation of the SI second. We describe the …
Improving the Factor of an Optical Atomic Clock Using Quantum Nondemolition Measurement
Quantum nondemolition (QND) measurement is a remarkable tool for the manipulation of
quantum systems. It allows specific information to be extracted while still preserving fragile …
quantum systems. It allows specific information to be extracted while still preserving fragile …