Materials challenges and opportunities for quantum computing hardware
BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …
computing hardware with the potential to solve problems that are intractable on classical …
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 …
development of classical computers and will undoubtedly be critical in propelling the …
[HTML][HTML] New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds
The superconducting transmon qubit is a leading platform for quantum computing and
quantum science. Building large, useful quantum systems based on transmon qubits will …
quantum science. Building large, useful quantum systems based on transmon qubits will …
Disentangling losses in tantalum superconducting circuits
Superconducting qubits are a leading system for realizing large-scale quantum processors,
but overall gate fidelities suffer from coherence times limited by microwave dielectric loss …
but overall gate fidelities suffer from coherence times limited by microwave dielectric loss …
Nanomaterials for quantum information science and engineering
Quantum information science and engineering (QISE)—which entails the use of quantum
mechanical states for information processing, communications, and sensing—and the area …
mechanical states for information processing, communications, and sensing—and the area …
[HTML][HTML] Realizing quantum convolutional neural networks on a superconducting quantum processor to recognize quantum phases
Quantum computing crucially relies on the ability to efficiently characterize the quantum
states output by quantum hardware. Conventional methods which probe these states …
states output by quantum hardware. Conventional methods which probe these states …
Two-level-system dynamics in a superconducting qubit due to background ionizing radiation
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) …
foundation for quantum computing. This stability is imperiled by two-level systems (TLSs) …
[HTML][HTML] Dynamics of superconducting qubit relaxation times
Superconducting qubits are a leading candidate for quantum computing but display
temporal fluctuations in their energy relaxation times T 1. This introduces instabilities in multi …
temporal fluctuations in their energy relaxation times T 1. This introduces instabilities in multi …
[HTML][HTML] Mitigation of interfacial dielectric loss in aluminum-on-silicon superconducting qubits
J Biznárová, A Osman, E Rehnman… - npj Quantum …, 2024 - nature.com
We demonstrate aluminum-on-silicon planar transmon qubits with time-averaged T 1 energy
relaxation times of up to 270 μs, corresponding to Q= 5 million, and a highest observed …
relaxation times of up to 270 μs, corresponding to Q= 5 million, and a highest observed …
Material matters in superconducting qubits
CE Murray - Materials Science and Engineering: R: Reports, 2021 - Elsevier
The progress witnessed within the field of quantum computing has been enabled by the
identification and understanding of interactions between the state of the quantum bit (qubit) …
identification and understanding of interactions between the state of the quantum bit (qubit) …