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 …

Performance of a phonon-mediated kinetic inductance detector at the NEXUS cryogenic facility

DJ Temples, O Wen, K Ramanathan, T Aralis… - Physical Review …, 2024 - APS
Microcalorimeters that leverage microwave kinetic inductance detectors to read out phonon
signals in the particle-absorbing target, referred to as kinetic inductance phonon-mediated …

Estimating the Energy Threshold of Phonon-mediated Superconducting Qubit Detectors Operated in an Energy-Relaxation Sensing Scheme

R Linehan, I Hernandez, DJ Temples, SQ Dang… - arxiv preprint arxiv …, 2024 - arxiv.org
In recent years, the lack of a conclusive detection of WIMP dark matter at the 10 GeV/c $^{2}
$ mass scale and above has encouraged development of low-threshold detector technology …

Performance of a Kinetic Inductance Phonon-Mediated Detector at the NEXUS Cryogenic Facility

DJ Temples, O Wen, K Ramanathan, T Aralis… - arxiv preprint arxiv …, 2024 - arxiv.org
Microcalorimeters that leverage microwave kinetic inductance detectors to read out phonon
signals in the particle-absorbing target, referred to as kinetic inductance phonon-mediated …

Direct evidence for cosmic-ray-induced correlated errors in superconducting qubit array

XG Li, JH Wang, YY Jiang, GM Xue, XX Cai… - arxiv preprint arxiv …, 2024 - arxiv.org
Correlated errors can significantly impact the quantum error correction, which challenges the
assumption that errors occur in different qubits independently in both space and time …

Modeling athermal phonons in novel materials using the G4CMP simulation toolkit

I Hernandez, R Linehan, R Khatiwada… - Nuclear Instruments and …, 2024 - Elsevier
Understanding phonon and charge propagation in superconducting devices plays an
important role in both performing low-threshold dark matter searches and limiting correlated …

Abatement of Ionizing Radiation for Superconducting Quantum Devices

B Loer, PM Harrington, B Archambault, E Fuller… - arxiv preprint arxiv …, 2024 - arxiv.org
Ionizing radiation has been shown to reduce the performance of superconducting quantum
circuits. In this report, we evaluate the expected contributions of different sources of ambient …

Quantum Parity Detectors: a qubit based particle detection scheme with meV thresholds for rare-event searches

K Ramanathan, JE Parker, LM Joshi, AD Beyer… - arxiv preprint arxiv …, 2024 - arxiv.org
The next generation of rare-event searches, such as those aimed at determining the nature
of particle dark matter or in measuring fundamental neutrino properties, will benefit from …

Modeling Phonon-mediated Quasiparticle Poisoning in Superconducting Qubit Arrays

E Yelton, CP Larson, V Iaia, K Dodge… - arxiv preprint arxiv …, 2024 - arxiv.org
Correlated errors caused by ionizing radiation impacting superconducting qubit chips are
problematic for quantum error correction. Such impacts generate quasiparticle (QP) …

Strategies for Machine Learning Applied to Noisy HEP Datasets: Modular Solid State Detectors from SuperCDMS

PB Cushman, MC Fritts, AD Chambers, A Roy… - arxiv preprint arxiv …, 2024 - arxiv.org
Background reduction in the SuperCDMS dark matter experiment depends on removing
surface events within individual detectors by identifying the location of each incident particle …