Optimal measurements for quantum spatial superresolution
J. Rehacek, Z. Hradil, D. Koutny, J. Grover, A. Krzic, L. L., Sanchez-Soto
TL;DR
This paper develops optimal measurement strategies that reach quantum-limited precision for estimating parameters of two incoherent point sources, advancing quantum imaging capabilities.
Contribution
It introduces a method to construct optimal measurements for quantum superresolution, enabling practical quantum-inspired imaging improvements.
Findings
Achieves quantum-limited precision in parameter estimation
Proposes physically feasible measurement schemes
Enhances potential for practical quantum imaging
Abstract
We construct optimal measurements, achieving the ultimate precision predicted by quantum theory, for the simultaneous estimation of centroid, separation, and relative intensities of two incoherent point sources using a linear optical system. We discuss the physical feasibility of the scheme, which could pave the way for future practical implementations of quantum inspired imaging.
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