This topical review addresses how Rydberg atoms can serve as building blocks for
emerging quantum technologies. Whereas the fabrication of large numbers of artificial …

Quantum information processing based on Rydberg atoms emerged as a promising
direction two decades ago. Recent experimental and theoretical progresses have shined …

Photon-photon scattering in vacuum is extremely weak. However, strong effective
interactions between single photons can be realized by employing strong light-matter …

The strong interaction between individual Rydberg atoms provides a powerful tool exploited
in an ever-growing range of applications in quantum information science, quantum …

Optical qubits uniquely combine information transfer in optical fibers with a good processing
capability and are therefore attractive tools for quantum technologies. A large challenge …

Single photons coupled to atomic systems have shown to be a promising platform for
developing quantum technologies. Yet a bright on-demand, highly pure, and highly …

Realizing robust quantum phenomena in strongly interacting systems is one of the central
challenges in modern physical science. Approaches ranging from topological protection to …

With Rydberg dipole interactions, a mesoscopic atomic ensemble becomes a superatom
that behaves like a single atom but couples collectively with photons. It is potentially a strong …

Realizing single light bullets and vortices that are stable in high dimensions is a long-
standing goal in the study of nonlinear optical physics. The storage and retrieval of such …

Coupling light to ensembles of strongly interacting particles has emerged as a promising
route toward achieving few photon nonlinearities. One specific way to implement this kind of …