Enhancement of Sensitivity by Initial Phase Matching in SU(1,1) Interferometers

DOI10.1088/0253-6102/71/1/37zbMath1452.81046OpenAlexW2912971817MaRDI QIDQ3387686

Xiao Xiao, Guolong Li, Hongbin Liang, Xiao-Guang Wang

Publication date: 13 January 2021

Published in: Communications in Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/0253-6102/71/1/37

zbMATH Keywords

parameter estimationquantum Fisher information\(\mathrm{SU}(1,1)\)phase-matching condition

Mathematics Subject Classification ID

Quantum coherence, entanglement, quantum correlations (81P40) Quantum state estimation, approximate cloning (81P50) Entanglement measures, concurrencies, separability criteria (81P42) Quantum state tomography, quantum state discrimination (81P18)

Cites Work

• Unnamed Item
• Quantum detection and estimation theory
• Quantum Fisher information and symmetric logarithmic derivative via anti-commutators
• Valid lower bound for all estimators in quantum parameter estimation

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