Logical quantum processor based on reconfigurable atom arrays

D Bluvstein, SJ Evered, AA Geim, SH Li, H Zhou… - Nature, 2024 - nature.com
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …

Demonstration of fault-tolerant universal quantum gate operations

L Postler, S Heuβen, I Pogorelov, M Rispler, T Feldker… - Nature, 2022 - nature.com
Quantum computers can be protected from noise by encoding the logical quantum
information redundantly into multiple qubits using error-correcting codes,. When …

Demonstration of logical qubits and repeated error correction with better-than-physical error rates

MP Da Silva, C Ryan-Anderson, JM Bello-Rivas… - arXiv preprint arXiv …, 2024 - arxiv.org
The promise of quantum computers hinges on the ability to scale to large system sizes, eg,
to run quantum computations consisting of more than 100 million operations fault-tolerantly …

High-fidelity teleportation of a logical qubit using transversal gates and lattice surgery

C Ryan-Anderson, NC Brown, CH Baldwin, JM Dreiling… - Science, 2024 - science.org
Quantum state teleportation is commonly used in designs for large-scale quantum
computers. Using Quantinuum's H2 trapped-ion quantum processor, we demonstrate fault …

Demonstration of fault-tolerant steane quantum error correction

L Postler, F Butt, I Pogorelov, CD Marciniak, S Heußen… - PRX Quantum, 2024 - APS
Encoding information redundantly using quantum error-correcting (QEC) codes allows one
to overcome the inherent sensitivity to noise in quantum computers to ultimately achieve …

Fault-tolerant one-bit addition with the smallest interesting color code

Y Wang, S Simsek, TM Gatterman, JA Gerber… - Science …, 2024 - science.org
Fault-tolerant operations based on stabilizer codes are the state of the art in suppressing
error rates in quantum computations. Most such codes do not permit a straightforward …

Realization of real-time fault-tolerant quantum error correction

C Ryan-Anderson, JG Bohnet, K Lee, D Gresh… - Physical Review X, 2021 - APS
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 …

Measurement-free fault-tolerant quantum error correction in near-term devices

S Heußen, DF Locher, M Müller - PRX Quantum, 2024 - APS
Logical qubits can be protected from decoherence by performing quantum error-correction
(QEC) cycles repeatedly. Algorithms for fault-tolerant QEC must be compiled to the specific …

High-performance fault-tolerant quantum computing with many-hypercube codes

H Goto - Science Advances, 2024 - science.org
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 …

[HTML][HTML] Flag fault-tolerant error correction with arbitrary distance codes

C Chamberland, ME Beverland - Quantum, 2018 - quantum-journal.org
In this paper we introduce a general fault-tolerant quantum error correction protocol using
flag circuits for measuring stabilizers of arbitrary distance codes. In addition to extending flag …