Strong-Drive Limits in Josephson Circuits: From Chaos to an Unbound-Resonance Threshold

arXiv:2609.04704 · quant-ph · Submitted 2026-09-04 · Read on arXiv

quant-ph

Submitted: 2026-09-04

Updated: 2026-09-21

Terminology

• Fidelity — 7× in this paper · explained in 2 episodes
• Frequency Dependence — 3× in this paper · explained in 2 episodes
• Verification — 3× in this paper · explained in 2 episodes
• Accuracy — 2× in this paper · explained in 1 episode
• Effective Hamiltonian — 2× in this paper · explained in 2 episodes
• Generalization — 2× in this paper · explained in 13 episodes
• Quantization — 2× in this paper · explained in 12 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Fermi National Accelerator Laboratory — 1× in this paper
• Robustness — 1× in this paper · explained in 5 episodes
• Secular Approximation — 1× in this paper · explained in 2 episodes
• Stark Shift — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• High-frequency readout free from transmon multi-excitation resonances
• Exceeding the Parametric Drive Strength Threshold in Nonlinear Circuits
• Measurement-Induced State transitions in Inductively-Shunted Transmons
• Measurement-induced state transitions across the fluxonium qubit landscape
• Experimental Characterization and Modeling of Measurement-Induced State-Transitions in a Fluxonium Superconducting Qubit
• Millimeter Wave Readout of a Superconducting Qubit
• Collapse and Inversion of the Josephson Potential in a Strongly Driven Superconducting Circuit
• Readout-Induced Leakage in Superconducting Circuits with Nonlinear Couplings
• Ultracoherent superconducting cavity-based multiqudit platform with error-resilient control

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