The ability to perform entangling quantum operations with low error rates in a scalable
fashion is a central element of useful quantum information processing. Neutral-atom arrays …

Position error is treated as the leading obstacle that prevents Rydberg antiblockade gates
from being experimentally realizable, because of the inevitable fluctuations in the relative …

We analyze schemes of high-fidelity multi-qubit CNOT N and C 2 NOT 2 gates for alkali
metal neutral atoms used as qubits. These schemes are based on the electromagnetically …

Connectivity of two-qubit logic gates plays a crucial and indispensable role in quantum
computation research. For the cold atom qubit platform, while the two-qubit Rydberg …

Error suppression to the experimental imperfections is a central challenge for useful
quantum computing. Recent studies have shown the advantages of using single-modulated …

Connectivity has an essential and indispensable role in the cold atom qubit platform. Whilst
the two-qubit Rydberg blockade gate recently receives rapid progress on the fidelity side, a …

Fast nuclear-spin entangling gates of divalent atoms can be realized with one global laser
pulse when Δ Z< Ω, where Δ Z is the Zeeman-splitting-dominated frequency difference …

We propose a scheme for realizing a deterministic two-photon CZ gate based on variants of
the two-photon quantum Rabi model, which is feasible within the framework of circuit QED …

Quantum error detection relies primarily on precise measurement of qubit parity, a
fundamental operation in quantum information processing. Here, we introduce a resilient …

The Doppler dephasing error due to residual thermal motion of qubit atoms is a major cause
of fidelity loss in neutral-atom quantum gates. Besides cooling and trapping advancements …