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Prospective Optical Lattice Clocks in Neutral Atoms with Hyperfine Structure [PDF]

open access: yesAtoms
Optical lattice clocks combine the accuracy and stability required for next-generation frequency standards. At the heart of these clocks are carefully engineered optical lattices tuned to a wavelength where the differential AC Stark shift between ground ...
Tobias Bothwell
doaj   +3 more sources

Magic Wavelengths for Optical-Lattice Based Cs and Rb Active Clocks

open access: yesAtoms, 2020
Active clocks could provide better stabilities during initial stages of measurements over passive clocks, in which stabilities become saturated only after long-term measurements.
Sukhjit Singh   +4 more
doaj   +2 more sources

Spatially defined Rabi spectroscopy for uninterrupted optical clock interrogation [PDF]

open access: yesNature Communications
Optical lattice clocks achieve fractional frequency uncertainties of 10⁻¹⁸, yet stability is constrained by the dead time between cooling, preparation, interrogation, and detection.
Koki Nishida   +4 more
doaj   +2 more sources

Continuously trapped matter-wave interferometry in magic Floquet-Bloch band structures [PDF]

open access: yesNature Communications
Trapped matter-wave interferometry offers the promise of compact high-precision local force sensing. However, noise in the trap itself can introduce new systematic errors which are absent in traditional free-fall interferometers.
Xiao Chai   +10 more
doaj   +2 more sources

Integrating quantum synchronization in future generation networks [PDF]

open access: yesScientific Reports
The advent of Beyond 5G (emerging 6G) technologies represents a significant step forward in telecommunications, offering unprecedented data speeds and connectivity.
Swaraj Shekhar Nande   +6 more
doaj   +2 more sources

Symmetry-Protected Topological Optical Lattice Clock

open access: yesPRX Quantum
We theoretically propose a tunable implementation of symmetry-protected topological phases of matter in a synthetic superlattice, taking advantage of the long coherence time and exquisite spectral resolutions offered by gravity-tilted optical lattice ...
Tianrui Xu   +6 more
doaj   +3 more sources

Toward a quantum-enhanced strontium optical lattice clock at INRIM [PDF]

open access: yesEPJ Web of Conferences, 2020
The new strontium atomic clock at INRIM seeks to establish a new frontier in quantum measurement by joining state-of-the-art optical lattice clocks and the quantized electromagnetic field provided by a cavity QED setup.
Tarallo Marco G.
doaj   +1 more source

Rydberg electrometry for optical lattice clocks [PDF]

open access: yesPhysical Review A, 2017
Electrometry is performed using Rydberg states to evaluate the quadratic Stark shift of the $5s^2$ $^1\textrm{S}_0-5s5p$ $^3\textrm{P}_0$ clock transition in strontium. By measuring the Stark shift of the highly excited $5s75d\;^1\textrm{D}_2$ state using electromagnetically induced transparency, we characterize the electric field with sufficient ...
Bowden, W.   +5 more
openaire   +3 more sources

Blackbody radiation shift in strontium lattice clocks revisited

open access: yesPhysical Review Research, 2021
We reevaluate the blackbody radiation (BBR) induced ac-Stark shift of the strontium clock transition (5s5p)^{3}P_{0}-(5s^{2})^{1}S_{0} at 698nm used as reference in optical lattice clocks and as secondary representation of the SI unit “second.” At room ...
Ch. Lisdat   +3 more
doaj   +1 more source

The development of active optical clock

open access: yesAAPPS Bulletin, 2023
The atomic clocks, whether operating at optical or microwave region, can be divided into two categories according to their working mode, namely the passive clocks and active clocks.
Jia Zhang   +3 more
doaj   +1 more source

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