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 …
Universal quantum operations and ancilla-based read-out for tweezer clocks
Enhancing the precision of measurements by harnessing entanglement is a long-sought
goal in quantum metrology,. Yet attaining the best sensitivity allowed by quantum theory in …
goal in quantum metrology,. Yet attaining the best sensitivity allowed by quantum theory in …
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 …
Long-lived Bell states in an array of optical clock qubits
The generation of long-lived entanglement in optical atomic clocks is one of the main goals
of quantum metrology. Arrays of neutral atoms, where Rydberg-based interactions may …
of quantum metrology. Arrays of neutral atoms, where Rydberg-based interactions may …
Enhanced metrology at the critical point of a many-body Rydberg atomic system
Interacting many-body systems display enhanced sensitivity close to critical transition points
due to diverging quantum fluctuations. This criticality-based enhancement has been …
due to diverging quantum fluctuations. This criticality-based enhancement has been …
Entanglement-enhanced matter-wave interferometry in a high-finesse cavity
An ensemble of atoms can operate as a quantum sensor by placing atoms in a
superposition of two different states. Upon measurement of the sensor, each atom is …
superposition of two different states. Upon measurement of the sensor, each atom is …
Random unitaries in extremely low depth
We prove that random quantum circuits on any geometry, including a 1D line, can form
approximate unitary designs over $ n $ qubits in $\log n $ depth. In a similar manner, we …
approximate unitary designs over $ n $ qubits in $\log n $ depth. In a similar manner, we …
Einstein-podolsky-rosen experiment with two bose-einstein condensates
P Colciaghi, Y Li, P Treutlein, T Zibold - Physical Review X, 2023 - APS
In 1935, Einstein, Podolsky, and Rosen (EPR) conceived a gedanken experiment which
became a cornerstone of quantum technology and still challenges our understanding of …
became a cornerstone of quantum technology and still challenges our understanding of …
Tunable itinerant spin dynamics with polar molecules
Strongly interacting spins underlie many intriguing phenomena and applications,,–ranging
from magnetism to quantum information processing. Interacting spins combined with motion …
from magnetism to quantum information processing. Interacting spins combined with motion …
Improving metrology with quantum scrambling
Quantum scrambling describes the spreading of information into many degrees of freedom
in quantum systems, such that the information is no longer accessible locally but becomes …
in quantum systems, such that the information is no longer accessible locally but becomes …