Coherent consensus for the estimation and classification of phases

arXiv:2610.09865 · quant-ph · Submitted 2026-10-07 · Read on arXiv

quant-ph

Submitted: 2026-10-07

Updated: 2026-10-07

Terminology

• Entanglement — 12× in this paper · explained in 4 episodes
• Accuracy — 11× in this paper · explained in 1 episode
• Quantum Circuits — 4× in this paper · explained in 2 episodes
• Aggregation — 2× in this paper · explained in 1 episode
• All-to-All Connectivity — 2× in this paper · explained in 1 episode
• Calibration — 2× in this paper · explained in 7 episodes
• Systematic Bias — 2× in this paper · explained in 3 episodes
• Ensemble Learning — 1× in this paper · explained in 2 episodes
• Fisher Information — 1× in this paper · explained in 3 episodes
• Heisenberg Scaling — 1× in this paper · explained in 4 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Scaling Laws — 1× in this paper · explained in 4 episodes
• Theoretical Guarantees — 1× in this paper · explained in 2 episodes

Sources

• Near-Heisenberg-limited parallel amplitude estimation with logarithmic depth circuit
• Robust Calibration of a Universal Single-Qubit Gate-Set via Robust Phase Estimation
• A quantum network of clocks
• Multi-parameter estimation in networked quantum sensors
• Optimal and Secure Measurement Protocols for Quantum Sensor Networks
• Quantum sensing networks for the estimation of linear functions
• Distributed quantum phase estimation with entangled photons
• Optimal Hamiltonian Simulation by Quantum Signal Processing
• Amplitude Estimation from Quantum Signal Processing
• Helios: A 98-qubit trapped-ion quantum computer
• Demonstrating Heisenberg-limited unambiguous phase estimation without adaptive measurements
• Heisenberg-limited Bayesian phase estimation with low-depth digital quantum circuits
• Achieving Heisenberg scaling with maximally entangled states: an analytic upper bound for the attainable root mean square error
• Optimal metrology with programmable quantum sensors
• Physical-Layer Supervised Learning Assisted by an Entangled Sensor Network
• Quantum-enhanced data classification with a variational entangled sensor network
• Quantum ensembles of quantum classifiers
• Quantum Ensemble for Classification
• Quantum ensemble learning with a programmable superconducting processor
• Quantum majority vote

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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