Bang-bang protocol for nondispersive qubit readout

arXiv:2608.23681 · quant-ph · Submitted 2026-08-24 · Read on arXiv

quant-ph

Submitted: 2026-08-24

Updated: 2026-09-17

Terminology

• Fidelity — 67× in this paper · explained in 2 episodes
• Entanglement — 9× in this paper · explained in 4 episodes
• Accuracy — 6× in this paper · explained in 1 episode
• Trace — 4× in this paper · explained in 2 episodes
• Hilbert Space — 3× in this paper · explained in 2 episodes
• Domain Walls — 2× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Benchmarking — 1× in this paper · explained in 4 episodes
• Effective Hamiltonian — 1× in this paper · explained in 2 episodes
• Frustration — 1× in this paper · explained in 2 episodes
• Quantum Capacitance — 1× in this paper · explained in 2 episodes
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes
• Wigner function — 1× in this paper · explained in 2 episodes

Sources

• Fast readout of quantum dot spin qubits via Andreev spins
• Enabling Fast and Accurate Neutral Atom Readout through Image Denoising
• Fast multiplexed superconducting qubit readout with intrinsic Purcell filtering
• Full characterization of measurement-induced transitions of a superconducting qubit
• High-frequency readout free from transmon multi-excitation resonances
• Measurement-induced state transitions in multi-qubit transmon processors
• Mitigation of Measurement-Induced State Transitions via a Fast-Load and Fast-Clear Readout
• Improved fluxonium readout through dynamic flux pulsing

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• Theory of quantum-enhanced interferometry with general Markovian light sources
• A convergent hierarchy of spectral gap certificates for qubit Hamiltonians
• Universal Bound and Phase Transition in Many-Body Fermionic Non-Gaussianity