Entanglement-Enhanced Phase Estimation without Prior Phase Information

We study the generation of planar quantum squeezed (PQS) states by quantum nondemolition (QND) measurement of an ensemble of Rb87 atoms with a Poisson distributed atom number. Precise calibration of the QND measurement allows us to infer the conditional covariance matrix describing the Fy and Fz com...

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Detalles Bibliográficos
Autor principal:	Puentes, Graciana
Publicado:	2017
Materias:	Atoms Covariance matrix Phase estimation Phase information Prior knowledge QND measurements Quantum nondemolition measurements Single components Spin squeezing inequalities Squeezed state Quantum theory
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v118_n23_p_Colangelo http://hdl.handle.net/20.500.12110/paper_00319007_v118_n23_p_Colangelo
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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