Trapped ions are among the most promising systems for practical quantum computing (QC).
The basic requirements for universal QC have all been demonstrated with ions, and …

Quantum computers hold the promise of solving certain computational tasks much more
efficiently than classical computers. We review recent experimental advances towards a …

The ability to engineer parallel, programmable operations between desired qubits within a
quantum processor is key for building scalable quantum information systems,. In most state …

We describe and benchmark a new quantum charge-coupled device (QCCD) trapped-ion
quantum computer based on a linear trap with periodic boundary conditions, which …

We demonstrate laser-driven two-qubit and single-qubit logic gates with respective fidelities
99.9 (1)% and 99.9934 (3)%, significantly above the≈ 99% minimum threshold level …

Executing quantum algorithms on error-corrected logical qubits is a critical step for scalable
quantum computing, but the requisite numbers of qubits and physical error rates are …

We report high-fidelity laser-beam-induced quantum logic gates on magnetic-field-
insensitive qubits comprised of hyperfine states in Be 9+ ions with a memory coherence time …

Universal control of multiple qubits—the ability to entangle qubits and to perform arbitrary
individual qubit operations—is a fundamental resource for quantum computing, simulation …

Quantum state teleportation is commonly used in designs for large-scale quantum
computers. Using Quantinuum's H2 trapped-ion quantum processor, we demonstrate fault …

To process information using quantum-mechanical principles, the states of individual
particles need to be entangled and manipulated. One way to do this is to use trapped, laser …