Circuit quantum electrodynamics

A Blais, AL Grimsmo, SM Girvin, A Wallraff - Reviews of Modern Physics, 2021 - APS
Quantum-mechanical effects at the macroscopic level were first explored in Josephson-
junction-based superconducting circuits in the 1980s. In recent decades, the emergence of …

Microwave photonics with superconducting quantum circuits

X Gu, AF Kockum, A Miranowicz, Y Liu, F Nori - Physics Reports, 2017 - Elsevier
In the past 20 years, impressive progress has been made both experimentally and
theoretically in superconducting quantum circuits, which provide a platform for manipulating …

[HTML][HTML] A quantum engineer's guide to superconducting qubits

P Krantz, M Kjaergaard, F Yan, TP Orlando… - Applied physics …, 2019 - pubs.aip.org
The aim of this review is to provide quantum engineers with an introductory guide to the
central concepts and challenges in the rapidly accelerating field of superconducting …

Building a fault-tolerant quantum computer using concatenated cat codes

C Chamberland, K Noh, P Arrangoiz-Arriola… - PRX Quantum, 2022 - APS
We present a comprehensive architectural analysis for a proposed fault-tolerant quantum
computer based on cat codes concatenated with outer quantum error-correcting codes. For …

Current fluctuations in open quantum systems: Bridging the gap between quantum continuous measurements and full counting statistics

GT Landi, MJ Kewming, MT Mitchison, PP Potts - PRX Quantum, 2024 - APS
Continuously measured quantum systems are characterized by an output current, in the form
of a stochastic and correlated time series, which conveys crucial information about the …

Practical quantum error correction with the XZZX code and Kerr-cat qubits

AS Darmawan, BJ Brown, AL Grimsmo, DK Tuckett… - PRX Quantum, 2021 - APS
The development of robust architectures capable of large-scale fault-tolerant quantum
computation should consider both their quantum error-correcting codes and the underlying …

Observation of pairwise level degeneracies and the quantum regime of the Arrhenius law in a double-well parametric oscillator

NE Frattini, RG Cortiñas, J Venkatraman, X Xiao, Q Su… - Physical Review X, 2024 - APS
By applying a microwave drive to a specially designed Josephson circuit, we have realized
a double-well model system: a Kerr oscillator submitted to a squeezing force. We have …

[HTML][HTML] Probing quantum devices with radio-frequency reflectometry

F Vigneau, F Fedele, A Chatterjee, D Reilly… - Applied Physics …, 2023 - pubs.aip.org
Many important phenomena in quantum devices are dynamic, meaning that they cannot be
studied using time-averaged measurements alone. Experiments that measure such transient …

Extracting work from quantum measurement in Maxwell's demon engines

C Elouard, D Herrera-Martí, B Huard, A Auffeves - Physical Review Letters, 2017 - APS
The essence of both classical and quantum engines is to extract useful energy (work) from
stochastic energy sources, eg, thermal baths. In Maxwell's demon engines, work extraction …

Measurement-induced transmon ionization

MF Dumas, B Groleau-Paré, A McDonald… - Physical Review X, 2024 - APS
Despite the high measurement fidelity that can now be reached, the dispersive qubit readout
of circuit quantum electrodynamics is plagued by a loss of its quantum nondemolition …