Engineering high-coherence superconducting qubits

I Siddiqi - Nature Reviews Materials, 2021 - nature.com
Advances in materials science and engineering have played a central role in the
development of classical computers and will undoubtedly be critical in propelling the …

Noisy intermediate-scale quantum computers

B Cheng, XH Deng, X Gu, Y He, G Hu, P Huang, J Li… - Frontiers of …, 2023 - Springer
Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

Suppressing quantum errors by scaling a surface code logical qubit

Nature, 2023 - nature.com
Practical quantum computing will require error rates well below those achievable with
physical qubits. Quantum error correction, offers a path to algorithmically relevant error rates …

Tensorflow quantum: A software framework for quantum machine learning

M Broughton, G Verdon, T McCourt, AJ Martinez… - ar** of
hybrid quantum-classical models for classical or quantum data. This framework offers high …

Resisting high-energy impact events through gap engineering in superconducting qubit arrays

M McEwen, KC Miao, J Atalaya, A Bilmes, A Crook… - Physical Review Letters, 2024 - APS
Quantum error correction (QEC) provides a practical path to fault-tolerant quantum
computing through scaling to large qubit numbers, assuming that physical errors are …

Engineering superconducting qubits to reduce quasiparticles and charge noise

X Pan, Y Zhou, H Yuan, L Nie, W Wei, L Zhang… - Nature …, 2022 - nature.com
Identifying, quantifying, and suppressing decoherence mechanisms in qubits are important
steps towards the goal of engineering a quantum computer or simulator. Superconducting …

Superconducting qubits above 20 GHz operating over 200 mK

A Anferov, SP Harvey, F Wan, J Simon, DI Schuster - PRX Quantum, 2024 - APS
Current state-of-the-art superconducting microwave qubits are cooled to extremely low
temperatures to avoid sources of decoherence. Higher qubit operating temperatures would …

Saving superconducting quantum processors from decay and correlated errors generated by gamma and cosmic rays

JM Martinis - npj Quantum Information, 2021 - nature.com
Error-corrected quantum computers can only work if errors are small and uncorrelated. Here,
I show how cosmic rays or stray background radiation affects superconducting qubits by …

Two-level-system dynamics in a superconducting qubit due to background ionizing radiation

T Thorbeck, A Eddins, I Lauer, DT McClure, M Carroll - PRX Quantum, 2023 - APS
Superconducting qubit lifetimes must be both long and stable to provide an adequate
foundation for quantum computing. This stability is imperiled by two-level systems (TLSs) …

Phonon downconversion to suppress correlated errors in superconducting qubits

V Iaia, J Ku, A Ballard, CP Larson, E Yelton… - Nature …, 2022 - nature.com
Quantum error correction can preserve quantum information in the presence of local errors,
but correlated errors are fatal. For superconducting qubits, high-energy particle impacts from …