Extending the computational reach of a superconducting qutrit processor

N Goss, S Ferracin, A Hashim… - npj Quantum …, 2024 - nature.com
Quantum computing with qudits is an emerging approach that exploits a larger, more
connected computational space, providing advantages for many applications, including …

Unified framework for open quantum dynamics with memory

F Ivander, LP Lindoy, J Lee - Nature Communications, 2024 - nature.com
The dynamics of quantum systems coupled to baths are typically studied using the Nakajima-
Zwanzig memory kernel (K) or the influence functions (I), particularly when memory effects …

Multipartite entanglement in rabi-driven superconducting qubits

M Lu, JL Ville, J Cohen, A Petrescu, S Schreppler… - PRX Quantum, 2022 - APS
The exploration of highly connected networks of qubits is invaluable for implementing
various quantum algorithms and simulations, as it allows for entangling qubits with reduced …

1/f noise in quantum nanoscience

G Falci, PJ Hakonen, E Paladino - arXiv preprint arXiv:2401.11989, 2024 - arxiv.org
Fundamental issues of 1/f noise in quantum nanoscience are reviewed starting from basic
statistical noise processes. Fundamental noise models based on two-level systems (TLS) …

[HTML][HTML] Quantum sensing tools to characterize physical, chemical and biological processes with magnetic resonance

A Zwick, GA Álvarez - Journal of Magnetic Resonance Open, 2023 - Elsevier
Abstract Nuclear Magnetic Resonance (NMR) plays a central role in developing quantum
information sciences and technologies. Key features such as its non-invasive nature and the …

Multiaxis quantum noise spectroscopy robust to errors in state preparation and measurement

MQ Khan, W Dong, LM Norris, L Viola - Physical Review Applied, 2024 - APS
Characterizing temporally correlated noise and “non-Markovian” qubit dynamics is a key
prerequisite for achieving noise-tailored error mitigation and optimal device performance …

Intrinsic and induced quantum quenches for enhancing qubit-based quantum noise spectroscopy

YX Wang, AA Clerk - Nature communications, 2021 - nature.com
Quantum sensing protocols that exploit the dephasing of a probe qubit are powerful and
ubiquitous methods for interrogating an unknown environment. They have a variety of …

Noise-specific beating in the higher-level Ramsey curves of a transmon qubit

LA Martinez, Z Peng, D Appelö, DM Tennant… - Applied Physics …, 2023 - pubs.aip.org
In the higher levels of superconducting transmon devices and more generally charge
sensitive devices, T 2* measurements made in the presence of low-frequency time …

Impacts of noise and structure on quantum information encoded in a quantum memory

M Otten, K Kapoor, AB Özgüler, ET Holland… - Physical Review A, 2021 - APS
As larger, higher-quality quantum devices are built and demonstrated in quantum
information applications, such as quantum computation and quantum communication, the …

All-optical noise spectroscopy of a solid-state spin

D Farfurnik, H Singh, Z Luo, AS Bracker, SG Carter… - Nano Letters, 2023 - ACS Publications
Noise spectroscopy elucidates the fundamental noise sources in spin systems, thereby
serving as an essential tool toward developing spin qubits with long coherence times for …