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 …

Calibrated decoders for experimental quantum error correction

EH Chen, TJ Yoder, Y Kim, N Sundaresan… - Physical Review Letters, 2022 - APS
Arbitrarily long quantum computations require quantum memories that can be repeatedly
measured without being corrupted. Here, we preserve the state of a quantum memory …

Afs: Accurate, fast, and scalable error-decoding for fault-tolerant quantum computers

P Das, CA Pattison, S Manne… - … Symposium on High …, 2022 - ieeexplore.ieee.org
Quantum computers promise computational advantages for many important problems
across various application domains. Unfortunately, physical quantum devices are highly …

[HTML][HTML] Machine-learning-assisted correction of correlated qubit errors in a topological code

P Baireuther, TE O'Brien, B Tarasinski… - Quantum, 2018 - quantum-journal.org
A fault-tolerant quantum computation requires an efficient means to detect and correct errors
that accumulate in encoded quantum information. In the context of machine learning, neural …

Matching and maximum likelihood decoding of a multi-round subsystem quantum error correction experiment

N Sundaresan, TJ Yoder, Y Kim, M Li, EH Chen… - arxiv preprint arxiv …, 2022 - arxiv.org
Quantum error correction offers a promising path for performing quantum computations with
low errors. Although a fully fault-tolerant execution of a quantum algorithm remains …

Real-time processing of stabilizer measurements in a bit-flip code

D Ristè, LCG Govia, B Donovan, SD Fallek… - npj Quantum …, 2020 - nature.com
Although qubit coherence times and gate fidelities are continuously improving, logical
encoding is essential to achieve fault tolerance in quantum computing. In most encoding …

A scalable decoder micro-architecture for fault-tolerant quantum computing

P Das, CA Pattison, S Manne, D Carmean… - arxiv preprint arxiv …, 2020 - arxiv.org
Quantum computation promises significant computational advantages over classical
computation for some problems. However, quantum hardware suffers from much higher …

Density-matrix simulation of small surface codes under current and projected experimental noise

TE O'Brien, B Tarasinski, L DiCarlo - npj Quantum Information, 2017 - nature.com
We present a density-matrix simulation of the quantum memory and computing performance
of the distance-3 logical qubit Surface-17, following a recently proposed quantum circuit and …

Adaptive Weight Estimator for Quantum Error Correction in a Time‐Dependent Environment

ST Spitz, B Tarasinski, CWJ Beenakker… - Advanced Quantum …, 2018 - Wiley Online Library
Quantum error correction of a surface code or repetition code requires the pairwise matching
of error events in a space‐time graph of qubit measurements, such that the total weight of …

Magic Mirror on the Wall, How to Benchmark Quantum Error Correction Codes, Overall?

A Chatterjee, S Ghosh - arxiv preprint arxiv:2402.11105, 2024 - arxiv.org
Quantum Error Correction Codes (QECCs) are fundamental to the advancement of quantum
computing, safeguarding quantum states from the detrimental impact of noise and errors …