Advances in isolating, controlling and entangling quantum systems are transforming what
was once a curious feature of quantum mechanics into a vehicle for disruptive scientific and …

A practical quantum computer must not merely store information, but also process it. To
prevent errors introduced by noise from multiplying and spreading, a fault-tolerant …

Large-scale quantum computers have the potential to hold computational capabilities
beyond conventional computers. However, the physical qubits are prone to noise which …

This article introduces PyMatching, a fast open-source Python package for decoding
quantum error-correcting codes with the minimum-weight perfect matching (MWPM) …

We analyze the performance of a quantum computer architecture combining a small
processor and a storage unit. By focusing on integer factorization, we show a reduction by …

We present an algorithm for error correction in topological codes that exploits modern
machine learning techniques. Our decoder is constructed from a stochastic neural network …

Leading approaches to fault-tolerant quantum computation dedicate a significant portion of
the hardware to computational factories that churn out high-fidelity ancillas called magic …

The color code is a topological quantum error-correcting code supporting a variety of
valuable fault-tolerant logical gates. Its two-dimensional version, the triangular color code …

To use quantum systems for technological applications one first needs to preserve their
coherence for macroscopic time scales, even at finite temperature. Quantum error correction …

Estimating and reducing the overhead of fault-tolerance (FT) schemes is a crucial step
toward realizing scalable quantum computers. Of particular interest are schemes based on …