Assessing requirements to scale to practical quantum advantage

ME Beverland, P Murali, M Troyer, KM Svore… - arXiv preprint arXiv …, 2022 - arxiv.org
While quantum computers promise to solve some scientifically and commercially valuable
problems thought intractable for classical machines, delivering on this promise will require a …

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 …

Tangling schedules eases hardware connectivity requirements for quantum error correction

GP Gehér, O Crawford, ET Campbell - PRX Quantum, 2024 - APS
Error corrected quantum computers have the potential to change the way we solve
computational problems. Quantum error correction involves repeated rounds of carefully …

Performance analysis of a repetition cat code architecture: Computing 256-bit elliptic curve logarithm in 9 hours with 126 133 cat qubits

É Gouzien, D Ruiz, FM Le Régent, J Guillaud… - Physical Review Letters, 2023 - APS
Cat qubits provide appealing building blocks for quantum computing. They exhibit a tunable
noise bias yielding an exponential suppression of bit flips with the average photon number …

Compilation of a simple chemistry application to quantum error correction primitives

NS Blunt, GP Gehér, AE Moylett - Physical Review Research, 2024 - APS
A number of exciting recent results have been seen in the field of quantum error correction.
These include initial demonstrations of error correction on current quantum hardware and …

Techniques for combining fast local decoders with global decoders under circuit-level noise

C Chamberland, L Goncalves… - Quantum Science …, 2023 - iopscience.iop.org
Implementing algorithms on a fault-tolerant quantum computer will require fast decoding
throughput and latency times to prevent an exponential increase in buffer times between the …

To reset, or not to reset--that is the question

GP Gehér, M Jastrzebski, ET Campbell… - arXiv preprint arXiv …, 2024 - arxiv.org
Whether to reset qubits, or not, during quantum error correction experiments is a question of
both foundational and practical importance for quantum computing. Text-book quantum error …

Realistic cost to execute practical quantum circuits using direct clifford+ t lattice surgery compilation

T LeBlond, C Dean, G Watkins, R Bennink - ACM Transactions on …, 2024 - dl.acm.org
We report a resource estimation pipeline that explicitly compiles quantum circuits expressed
using the Clifford+ T gate set into a surface code lattice surgery instruction set. The cadence …

Facilitating practical fault-tolerant quantum computing based on color codes

J Zhang, YC Wu, GP Guo - Physical Review Research, 2024 - APS
Color codes are a promising topological code for fault-tolerant quantum computing.
Insufficient research on color codes has delayed their practical application. In this work, we …

Floquet codes with a twist

TD Ellison, J Sullivan, A Dua - arXiv preprint arXiv:2306.08027, 2023 - arxiv.org
We describe how to create twist defects in the honeycomb Floquet code of Hastings and
Haah. We construct twist defects at the endpoints of condensation defects, which are built by …