A symmetry-informed adaptive Bayesian method for low-data quantum parameter estimation yields a five-fold reduction in fractional variance and requires only one-third the data points of standard procedures in an ultracold caesium atom experiment.
Melko, End-to-end variational quantum sensing, arXiv:2403.02394 [quant-ph] (2024)
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Bell state analysis scheme extracts rotation angles from N=4 and N=6 second-order anti-coherent states by exploiting that rotation maps only symmetric Bell states into the final projection.
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Adaptive, symmetry-informed Bayesian metrology for precise quantum technology measurements
A symmetry-informed adaptive Bayesian method for low-data quantum parameter estimation yields a five-fold reduction in fractional variance and requires only one-third the data points of standard procedures in an ultracold caesium atom experiment.
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Bell State Analysis Provides an Optimal Basis Saturating the Quantum Cramer-Rao in Rotation Sensing
Bell state analysis scheme extracts rotation angles from N=4 and N=6 second-order anti-coherent states by exploiting that rotation maps only symmetric Bell states into the final projection.