Assessing the progress of trapped-ion processors towards fault-tolerant quantum computation

A Bermudez, X Xu, R Nigmatullin, J O'Gorman… - Physical Review X, 2017 - APS
A quantitative assessment of the progress of small prototype quantum processors towards
fault-tolerant quantum computation is a problem of current interest in experimental and …

Software tools for quantum control: Improving quantum computer performance through noise and error suppression

H Ball, MJ Biercuk, ARR Carvalho… - Quantum Science …, 2021 - iopscience.iop.org
Effectively manipulating quantum computing (QC) hardware in the presence of imperfect
devices and control systems is a central challenge in realizing useful quantum computers …

Quantum crosstalk robust quantum control

Z Zhou, R Sitler, Y Oda, K Schultz, G Quiroz - Physical Review Letters, 2023 - APS
The prevalence of quantum crosstalk in current quantum devices poses challenges for
achieving high-fidelity quantum logic operations and reliable quantum processing. Through …

Control and readout of a 13-level trapped ion qudit

PJ Low, B White, C Senko - arXiv preprint arXiv:2306.03340, 2023 - arxiv.org
To implement useful quantum algorithms which demonstrate quantum advantage, we must
scale currently demonstrated quantum computers up significantly. Leading platforms such …

The role of master clock stability in quantum information processing

H Ball, WD Oliver, MJ Biercuk - npj Quantum Information, 2016 - nature.com
Experimentalists seeking to improve the coherent lifetimes of quantum bits have generally
focused on mitigating decoherence mechanisms through, for example, improvements to …

Application of optimal band-limited control protocols to quantum noise sensing

VM Frey, S Mavadia, LM Norris, W De Ferranti… - Nature …, 2017 - nature.com
Essential to the functionality of qubit-based sensors are control protocols, which shape their
response in frequency space. However, in common control routines out-of-band spectral …

Robust and fast microwave-driven quantum logic for trapped-ion qubits

MA Weber, MF Gely, RK Hanley, TP Harty, AD Leu… - Physical Review A, 2024 - APS
Microwave-driven logic is a promising alternative to laser control in scaling trapped-ion
based quantum processors. We implement Mølmer-Sørensen two-qubit gates on 43 Ca+ …

Benchmarking and linear response modeling of high-fidelity Rydberg gates

RBS Tsai, X Sun, AL Shaw, R Finkelstein… - arXiv preprint arXiv …, 2024 - arxiv.org
The fidelity of entangling operations is a key figure of merit in quantum information
processing, especially in the context of quantum error correction. High-fidelity entangling …

Limits on atomic qubit control from laser noise

ML Day, PJ Low, B White, R Islam, C Senko - npj Quantum Information, 2022 - nature.com
Technical noise present in laser systems can limit their ability to perform high fidelity
quantum control of atomic qubits. The ultimate fidelity floor for atomic qubits driven with laser …

Quantum control methods for robust entanglement of trapped ions

CH Valahu, I Apostolatos, S Weidt… - Journal of Physics B …, 2022 - iopscience.iop.org
A major obstacle in the way of practical quantum computing is achieving scalable and robust
high-fidelity entangling gates. To this end, quantum control has become an essential tool, as …