Quantum computers can be protected from noise by encoding the logical quantum
information redundantly into multiple qubits using error-correcting codes,. When …

Most quantum computers use binary encoding to store information in qubits—the quantum
analogue of classical bits. Yet, the underlying physical hardware consists of information …

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

Correcting errors in real time is essential for reliable large-scale quantum computations.
Realizing this high-level function requires a system capable of several low-level primitives …

Quantum error correction requires the detection of errors via reliable measurements of
multiqubit correlation operators. As these operations are inherently faulty, fault-tolerant …

Simulating the quantum dynamics of molecules in the condensed phase represents a
longstanding challenge in chemistry. Trapped-ion quantum systems may serve as a platform …

Crosstalk between target and neighboring spectator qubits due to spillover of control signals
represents a major error source limiting the fidelity of two-qubit entangling gates in quantum …

Fault-tolerant quantum error correction provides a strategy to protect information processed
by a quantum computer against noise which would otherwise corrupt the data. A fault …

High-fidelity two-qubit gates in quantum computers are often hampered by fluctuating
experimental parameters. The effects of time-varying parameter fluctuations lead to coherent …

Trapped ions are one of the leading platforms for quantum information processing,
exhibiting the highest gate and measurement fidelities of all contending hardware. In order …