Quantum error correction provides a path to reach practical quantum computing by
combining multiple physical qubits into a logical qubit, where the logical error rate is …

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

Quantum error correction protects logical quantum information against environmental
decoherence by encoding logical qubits into entangled states of physical qubits. One of the …

Quantum Computing (QC) offers significant potential to enhance scientific discovery in fields
such as quantum chemistry, optimization, and artificial intelligence. Yet QC faces challenges …

Photonics offers a promising platform for quantum computing,,–, owing to the availability of
chip integration for mass-manufacturable modules, fibre optics for networking and room …

Standard approaches to quantum error correction for fault-tolerant quantum computing are
based on encoding a single logical qubit into many physical ones, resulting in asymptotically …

Designs for quantum error correction depend strongly on the connectivity of the qubits. For
solid-state qubits, the most straightforward approach is to have connectivity constrained to a …

While data qubits with a long coherence time are essential for the storage of quantum
information, ancilla qubits are pivotal in quantum error correction (QEC) for fault-tolerant …

Quantum computers must achieve large-scale, fault-tolerant operation to deliver on their
promise of transformational processing power [1-4]. This will require thousands or millions of …

Particle physics underpins our understanding of the world at a fundamental level by
describing the interplay of matter and forces through gauge theories. Yet, despite their …