Colloquium: Protecting quantum information against environmental noise

D Suter, GA Álvarez - Reviews of Modern Physics, 2016 - APS
Quantum technologies represent a rapidly evolving field in which the specific properties of
quantum mechanical systems are exploited to enhance the performance of various …

Robust dynamical decoupling

AM Souza, GA Álvarez, D Suter - … Transactions of the …, 2012 - royalsocietypublishing.org
Quantum computers, which process information encoded in quantum mechanical systems,
hold the potential to solve some of the hardest computational problems. A substantial …

Dynamical decoupling for superconducting qubits: a performance survey

N Ezzell, B Pokharel, L Tewala, G Quiroz, DA Lidar - Physical Review Applied, 2023 - APS
Dynamical decoupling (DD) is perhaps the simplest and least resource-intensive error-
suppression strategy for improving quantum computer performance. Here we report on a …

Noise spectroscopy through dynamical decoupling with a superconducting flux qubit

J Bylander, S Gustavsson, F Yan, F Yoshihara… - Nature Physics, 2011 - nature.com
Quantum coherence in natural and artificial spin systems is fundamental to applications
ranging from quantum information science to magnetic-resonance imaging and …

Preserving qubit coherence by dynamical decoupling

W Yang, ZY Wang, RB Liu - Frontiers of Physics in China, 2011 - Springer
In quantum information processing, it is vital to protect the coherence of qubits in noisy
environments. Dynamical decoupling (DD), which applies a sequence of flips on qubits and …

Performance comparison of dynamical decoupling sequences for a qubit in a rapidly fluctuating spin bath

GA Alvarez, A Ajoy, X Peng, D Suter - Physical Review A—Atomic, Molecular …, 2010 - APS
Avoiding the loss of coherence of quantum mechanical states is an important prerequisite for
quantum information processing. Dynamical decoupling (DD) is one of the most effective …

Optimal pulse spacing for dynamical decoupling in the presence of a purely dephasing spin bath

A Ajoy, GA Álvarez, D Suter - Physical Review A—Atomic, Molecular, and …, 2011 - APS
Maintaining quantum coherence is a crucial requirement for quantum computation; hence
protecting quantum systems against their irreversible corruption due to environmental noise …

Experimental benchmarking of quantum control in zero-field nuclear magnetic resonance

M Jiang, T Wu, JW Blanchard, G Feng, X Peng… - Science …, 2018 - science.org
Demonstration of coherent control and characterization of the control fidelity is important for
the development of quantum architectures such as nuclear magnetic resonance (NMR). We …

In‐phase ultra high‐resolution in vivo NMR

I Fugariu, W Bermel, D Lane, R Soong… - Angewandte Chemie …, 2017 - Wiley Online Library
Although current NMR techniques allow organisms to be studied in vivo, magnetic
susceptibility distortions, which arise from inhomogeneous distributions of chemical …

A semi‐LASER, single‐voxel spectroscopic sequence with a minimal echo time of 20.1 ms in the human brain at 3 T

K Landheer, M Gajdošík, C Juchem - NMR in Biomedicine, 2020 - Wiley Online Library
An optimized semi‐LASER sequence that is capable of acquiring artefact‐free data with an
echo time (TE) of 20.1 ms on a standard clinical 3 T MR system was developed. Simulations …