Decoding algorithms for surface codes

A deMarti iOlius, P Fuentes, R Orús, PM Crespo… - Quantum, 2024 - quantum-journal.org
Quantum technologies have the potential to solve certain computationally hard problems
with polynomial or super-polynomial speedups when compared to classical methods …

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 …

Complex quantum networks: a topical review

J Nokkala, J Piilo, G Bianconi - Journal of Physics A …, 2024 - iopscience.iop.org
These are exciting times for quantum physics as new quantum technologies are expected to
soon transform computing at an unprecedented level. Simultaneously network science is …

Constant-overhead fault-tolerant quantum computation with reconfigurable atom arrays

Q Xu, JP Bonilla Ataides, CA Pattison, N Raveendran… - Nature Physics, 2024 - nature.com
Quantum low-density parity-check (qLDPC) codes can achieve high encoding rates and
good code distance scaling, potentially enabling low-overhead fault-tolerant quantum …

Demonstrating multi-round subsystem quantum error correction using matching and maximum likelihood decoders

N Sundaresan, TJ Yoder, Y Kim, M Li, EH Chen… - Nature …, 2023 - nature.com
Quantum error correction offers a promising path for performing high fidelity quantum
computations. Although fully fault-tolerant executions of algorithms remain unrealized …

Sparse blossom: correcting a million errors per core second with minimum-weight matching

O Higgott, C Gidney - arXiv preprint arXiv:2303.15933, 2023 - arxiv.org
In this work, we introduce a fast implementation of the minimum-weight perfect matching
(MWPM) decoder, the most widely used decoder for several important families of quantum …

Parallel window decoding enables scalable fault tolerant quantum computation

L Skoric, DE Browne, KM Barnes, NI Gillespie… - Nature …, 2023 - nature.com
Large-scale quantum computers have the potential to hold computational capabilities
beyond conventional computers. However, the physical qubits are prone to noise which …

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 …

Anyon condensation and the color code

MS Kesselring, JC Magdalena de la Fuente… - PRX Quantum, 2024 - APS
The manipulation of topologically ordered phases of matter to encode and process quantum
information forms the cornerstone of many approaches to fault-tolerant quantum computing …

Correlated decoding of logical algorithms with transversal gates

M Cain, C Zhao, H Zhou, N Meister, JPB Ataides… - Physical Review Letters, 2024 - APS
Quantum error correction is believed to be essential for scalable quantum computation, but
its implementation is challenging due to its considerable space-time overhead. Motivated by …