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Quantum science with optical tweezer arrays of ultracold atoms and molecules
Single atoms and molecules can be trapped in tightly focused beams of light that form
'optical tweezers', affording exquisite capabilities for the control and detection of individual …
'optical tweezers', affording exquisite capabilities for the control and detection of individual …
Optical frequency combs: Coherently uniting the electromagnetic spectrum
BACKGROUND The generation and control of coherent electromagnetic waves, such as
those provided by electronic oscillators in the radio frequency domain or lasers in the optical …
those provided by electronic oscillators in the radio frequency domain or lasers in the optical …
Multi-qubit gates and Schrödinger cat states in an optical clock
Many-particle entanglement is a key resource for achieving the fundamental precision limits
of a quantum sensor. Optical atomic clocks, the current state of the art in frequency precision …
of a quantum sensor. Optical atomic clocks, the current state of the art in frequency precision …
Resolving the gravitational redshift across a millimetre-scale atomic sample
Einstein's theory of general relativity states that clocks at different gravitational potentials tick
at different rates relative to lab coordinates—an effect known as the gravitational redshift. As …
at different rates relative to lab coordinates—an effect known as the gravitational redshift. As …
Realizing spin squeezing with Rydberg interactions in an optical clock
Neutral-atom arrays trapped in optical potentials are a powerful platform for studying
quantum physics, combining precise single-particle control and detection with a range of …
quantum physics, combining precise single-particle control and detection with a range of …
Clock with Systematic Uncertainty
We report an optical lattice clock with a total systematic uncertainty of 8.1× 10-19 in fractional
frequency units, representing the lowest uncertainty of any clock to date. The clock relies on …
frequency units, representing the lowest uncertainty of any clock to date. The clock relies on …
Frequency ratio measurements at 18-digit accuracy using an optical clock network
Nature, 2021 - nature.com
Atomic clocks are vital in a wide array of technologies and experiments, including tests of
fundamental physics. Clocks operating at optical frequencies have now demonstrated …
fundamental physics. Clocks operating at optical frequencies have now demonstrated …
Direct comparison of two spin-squeezed optical clock ensembles at the 10−17 level
Building scalable quantum systems that demonstrate performance enhancement based on
entanglement is a major goal in quantum computing and metrology. The main challenge …
entanglement is a major goal in quantum computing and metrology. The main challenge …
Free-space dissemination of time and frequency with 10−19 instability over 113 km
Networks of optical clocks find applications in precise navigation,, in efforts to redefine the
fundamental unit of the 'second',,–and in gravitational tests. As the frequency instability for …
fundamental unit of the 'second',,–and in gravitational tests. As the frequency instability for …
20 years of developments in optical frequency comb technology and applications
Optical frequency combs were developed nearly two decades ago to support the world's
most precise atomic clocks. Acting as precision optical synthesizers, frequency combs …
most precise atomic clocks. Acting as precision optical synthesizers, frequency combs …