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 …

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 …

Atomic, molecular, and optical (AMO) physics has been at the forefront of the development of
quantum science while laying the foundation for modern technology. With the growing …

The stability of an optical atomic clock is a critical figure of merit for almost all clock
applications. To this end, much optical atomic clock research has focused on reducing clock …

The use of correlated states and measurements promises improvements in the accuracy of
frequency metrology and the stability of atomic clocks. However, develo** strategies …

Cavity quantum electrodynamics offers the possibility of observing and controlling the
motion of a few or individual atoms, enabling the realization of various quantum …

Graph states are a broad family of entangled quantum states, each defined by a graph
composed of edges representing the correlations between subsystems. Such states …

Large ensembles of laser-cooled atoms interacting through infinite-range photon-mediated
interactions are powerful platforms for quantum simulation and sensing. Here we realize …

Atomic clocks are crucial for science and technology, but their sensitivity is often restricted by
the standard quantum limit. To surpass this limit, correlations between particles or …

We present a simple and effective method to create highly entangled spin states on a faster
timescale than that of the commonly employed one-axis twisting (OAT) model. We …