Circuit quantization in the presence of time-dependent external flux

X You, JA Sauls, J Koch - Physical Review B, 2019 - APS
Circuit quantization links a physical circuit to its corresponding quantum Hamiltonian. The
standard quantization procedure generally assumes any external magnetic flux to be static …

Time-dependent magnetic flux in devices for circuit quantum electrodynamics

J Bryon, DK Weiss, X You, S Sussman, X Croot… - Physical Review …, 2023 - APS
Recent theoretical work has highlighted that quantizing a superconducting circuit in the
presence of time-dependent flux Φ (t) generally produces Hamiltonian terms proportional to …

Stabilizing two-qubit entanglement by mimicking a squeezed environment

LCG Govia, A Lingenfelter, AA Clerk - Physical Review Research, 2022 - APS
It is well known that qubits immersed in a squeezed vacuum environment exhibit many
exotic phenomena, including dissipative entanglement stabilization. Here we show that …

Optimized steering: Quantum state engineering and exceptional points

P Kumar, K Snizhko, Y Gefen, B Rosenow - Physical Review A, 2022 - APS
The state of a quantum system may be steered towards a predesignated target state,
employing a sequence of weak blind measurements (where the detector's readouts are …

Fast and robust geometric two-qubit gates for superconducting qubits and beyond

F Setiawan, P Groszkowski, AA Clerk - Physical Review Applied, 2023 - APS
Quantum protocols based on adiabatic evolution are remarkably robust against
imperfections of control pulses and system uncertainties. While adiabatic protocols have …

Autonomous stabilization with programmable stabilized state

Z Li, T Roy, Y Lu, E Kapit, DI Schuster - Nature Communications, 2024 - nature.com
Reservoir engineering is a powerful technique to autonomously stabilize a quantum state.
Traditional schemes involving multi-body states typically function for discrete entangled …

Engineering two-qubit mixed states with weak measurements

P Kumar, K Snizhko, Y Gefen - Physical review research, 2020 - APS
It is known that protocols based on weak measurements can be used to steer quantum
systems into predesignated pure states. Here we show that weak-measurement-based …

Quantum state engineering by steering in the presence of errors

E Medina-Guerra, P Kumar, IV Gornyi, Y Gefen - Physical Review Research, 2024 - APS
Quantum state engineering plays a vital role in various applications in the field of quantum
information. Different strategies, including drive-and-dissipation, adiabatic cooling, and …

Experimental verification of the treatment of time-dependent flux in circuit quantization

J Bryon, DK Weiss, X You, S Sussman, X Croot… - arXiv preprint arXiv …, 2022 - arxiv.org
Recent theoretical work has highlighted that quantizing a superconducting circuit in the
presence of time-dependent flux $\Phi (t) $ generally produces Hamiltonian terms …

Tunable capacitor for superconducting qubits using an InAs/InGaAs heterostructure

N Materise, MC Dartiailh, WM Strickland… - Quantum Science …, 2023 - iopscience.iop.org
Adoption of fast, parametric coupling elements has improved the performance of
superconducting qubits, enabling recent demonstrations of quantum advantage in …