Benchmarking quantum computers and the impact of quantum noise
S Resch, UR Karpuzcu - ACM Computing Surveys (CSUR), 2021 - dl.acm.org
Benchmarking is how the performance of a computing system is determined. Surprisingly,
even for classical computers this is not a straightforward process. One must choose the …
even for classical computers this is not a straightforward process. One must choose the …
Quantum computing: an overview across the system stack
S Resch, UR Karpuzcu - arXiv preprint arXiv:1905.07240, 2019 - arxiv.org
Quantum computers, if fully realized, promise to be a revolutionary technology. As a result,
quantum computing has become one of the hottest areas of research in the last few years …
quantum computing has become one of the hottest areas of research in the last few years …
Low-distance surface codes under realistic quantum noise
Y Tomita, KM Svore - Physical Review A, 2014 - APS
Experimental implementation of the surface code will be a significant milestone for quantum
computing. We develop a circuit and a decoder targeted for near-term implementation of a …
computing. We develop a circuit and a decoder targeted for near-term implementation of a …
Introduction to quantum gate set tomography
D Greenbaum - arXiv preprint arXiv:1509.02921, 2015 - arxiv.org
Quantum gate set tomography (GST) has emerged as a promising method for the full
characterization of quantum logic gates. In contrast to quantum process tomography (QPT) …
characterization of quantum logic gates. In contrast to quantum process tomography (QPT) …
Bounding quantum gate error rate based on reported average fidelity
Remarkable experimental advances in quantum computing are exemplified by recent
announcements of impressive average gate fidelities exceeding 99.9% for single-qubit …
announcements of impressive average gate fidelities exceeding 99.9% for single-qubit …
A taxonomy of small markovian errors
Errors in quantum logic gates are usually modeled by quantum process matrices (CPTP
maps). But process matrices can be opaque and unwieldy. We show how to transform the …
maps). But process matrices can be opaque and unwieldy. We show how to transform the …
Correcting coherent errors with surface codes
Surface codes are building blocks of quantum computing platforms based on 2D arrays of
qubits responsible for detecting and correcting errors. The error suppression achieved by …
qubits responsible for detecting and correcting errors. The error suppression achieved by …
Characterizing universal gate sets via dihedral benchmarking
We describe a practical experimental protocol for robustly characterizing the error rates of
non-Clifford gates associated with dihedral groups, including small single-qubit rotations …
non-Clifford gates associated with dihedral groups, including small single-qubit rotations …
Tensor-network simulations of the surface code under realistic noise
AS Darmawan, D Poulin - Physical review letters, 2017 - APS
The surface code is a many-body quantum system, and simulating it in generic conditions is
computationally hard. While the surface code is believed to have a high threshold, the …
computationally hard. While the surface code is believed to have a high threshold, the …
Performance of quantum error correction with coherent errors
We compare the performance of quantum error correcting codes when memory errors are
unitary with the more familiar case of dephasing noise. For a wide range of codes, we …
unitary with the more familiar case of dephasing noise. For a wide range of codes, we …