Unbounded quantum Fisher information in two-path interferometry with finite photon number

DOI10.1088/1751-8113/46/3/035302zbMath1267.81105arXiv1105.2990OpenAlexW2028813211WikidataQ62045955 ScholiaQ62045955MaRDI QIDQ4920384

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Publication date: 17 May 2013

Published in: Journal of Physics A: Mathematical and Theoretical (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1105.2990

Mathematics Subject Classification ID

Quantum optics (81V80) Quantum measurement theory, state operations, state preparations (81P15) Measures of information, entropy (94A17) Quantum information, communication, networks (quantum-theoretic aspects) (81P45) Quantum state estimation, approximate cloning (81P50)

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Ultimate phase estimation in a squeezed-state interferometer using photon counters with a finite number resolution ⋮ True precision limits in quantum metrology ⋮ Fundamental quantum limits in optical metrology from rate-distortion theory

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