2 papers
quant-ph2026
Fragility of Optimal Measurements due to Noise in Probe States for Quantum Sensing
Andrew Kolmer Forbes, Marco A. Rodríguez-García, Ivan H. Deutsch
For a given quantum state used in sensing, the quantum Cramér-Rao bound (QCRB) sets a fundamental limit on the precision achievable by an unbiased estimator of an unknown parameter…
quant-ph2020
Efficient qubit phase estimation using adaptive measurements
Marco A. Rodríguez-García, Isaac Pérez Castillo, P. Barberis-Blostein
Estimating correctly the quantum phase of a physical system is a central problem in quantum parameter estimation theory due to its wide range of applications from quantum metrology…