Optimizing resource efficiencies for scalable full-stack quantum computers

M Fellous-Asiani, JH Chai, Y Thonnart, HK Ng… - PRX Quantum, 2023 - APS
In the race to build scalable quantum computers, minimizing the resource consumption of
their full stack to achieve a target performance becomes crucial. It mandates a synergy of …

Strategies for a practical advantage of fault-tolerant circuit design in noisy trapped-ion quantum computers

S Heußen, L Postler, M Rispler, I Pogorelov… - Physical Review A, 2023 - APS
Fault-tolerant quantum error correction provides a strategy to protect information processed
by a quantum computer against noise which would otherwise corrupt the data. A fault …

Constructing smaller Pauli twirling sets for arbitrary error channels

Z Cai, SC Benjamin - Scientific reports, 2019 - nature.com
Twirling is a technique widely used for converting arbitrary noise channels into Pauli
channels in error threshold estimations of quantum error correction codes. It is vitally useful …

Averaged circuit eigenvalue sampling

ST Flammia - arxiv preprint arxiv:2108.05803, 2021 - arxiv.org
We introduce ACES, a method for scalable noise metrology of quantum circuits that stands
for Averaged Circuit Eigenvalue Sampling. It simultaneously estimates the individual error …

Errors and pseudothresholds for incoherent and coherent noise

M Gutiérrez, C Smith, L Lulushi, S Janardan, KR Brown - Physical Review A, 2016 - APS
We compare the effect of single qubit incoherent and coherent errors on the logical error rate
of the Steane [[7, 1, 3]] quantum error correction code by performing an exact full-density …

Non–pauli errors can be efficiently sampled in qudit surface codes

Y Ma, M Hanks, MS Kim - Physical Review Letters, 2023 - APS
Surface codes are the most promising candidates for fault-tolerant quantum computation.
Single qudit errors are typically modeled as Pauli operators, to which general errors are …

Benchmarking quantum logic operations relative to thresholds for fault tolerance

A Hashim, S Seritan, T Proctor, K Rudinger… - npj Quantum …, 2023 - nature.com
Contemporary methods for benchmarking noisy quantum processors typically measure
average error rates or process infidelities. However, thresholds for fault-tolerant quantum …

Approximating decoherence processes for the design and simulation of quantum error correction codes on classical computers

JE Martinez, P Fuentes, PM Crespo… - IEEE Access, 2020 - ieeexplore.ieee.org
Quantum information is prone to suffer from errors caused by the so-called decoherence,
which describes the loss in coherence of quantum states associated to their interactions with …

Decoherence and quantum error correction for quantum computing and communications

JE Martinez - arxiv preprint arxiv:2202.08600, 2022 - arxiv.org
Quantum technologies have shown immeasurable potential to effectively solve several
information processing tasks such as prime number factorization, unstructured database …

Energy risk analysis with dynamic amplitude estimation and piecewise approximate quantum compiling

K Ghosh, K Yogaraj, G Agliardi… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In this article, we generalize the approximate quantum compiling algorithm into a new
method for cnot-depth reduction, which is apt to process wide target quantum circuits …