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 …
Towards understanding two-level-systems in amorphous solids: insights from quantum circuits
Amorphous solids show surprisingly universal behaviour at low temperatures. The
prevailing wisdom is that this can be explained by the existence of two-state defects within …
prevailing wisdom is that this can be explained by the existence of two-state defects within …
Materials loss measurements using superconducting microwave resonators
The performance of superconducting circuits for quantum computing is limited by materials
losses. In particular, coherence times are typically bounded by two-level system (TLS) …
losses. In particular, coherence times are typically bounded by two-level system (TLS) …
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) …
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms
J Verjauw, R Acharya, J Van Damme, T Ivanov… - npj Quantum …, 2022 - nature.com
As the superconducting qubit platform matures towards ever-larger scales in the race
towards a practical quantum computer, limitations due to qubit inhomogeneity through lack …
towards a practical quantum computer, limitations due to qubit inhomogeneity through lack …
On-demand storage and retrieval of microwave photons using a superconducting multiresonator quantum memory
We realize on-demand storage and retrieval of weak coherent microwave photon pulses at
the single-photon level. A superconducting multiresonator system which is composed of a …
the single-photon level. A superconducting multiresonator system which is composed of a …
Substrate surface engineering for high-quality silicon/aluminum superconducting resonators
Quantum bits (qubits) with long coherence times are an important element for the
implementation of medium-and large-scale quantum computers. In the case of …
implementation of medium-and large-scale quantum computers. In the case of …
Control over epitaxy and the role of the InAs/Al interface in hybrid two-dimensional electron gas systems
In situ synthesized semiconductor/superconductor hybrid structures became an important
material platform in condensed matter physics. Their development enabled a plethora of …
material platform in condensed matter physics. Their development enabled a plethora of …
Cryogenic single-port calibration for superconducting microwave resonator measurements
Superconducting circuit testing and materials loss characterization requires robust and
reliable methods for the extraction of internal and coupling quality factors of microwave …
reliable methods for the extraction of internal and coupling quality factors of microwave …
Near-field terahertz nanoscopy of coplanar microwave resonators
Superconducting quantum circuits are one of the leading quantum computing platforms. To
advance superconducting quantum computing to a point of practical importance, it is critical …
advance superconducting quantum computing to a point of practical importance, it is critical …