Accessible precisions for estimating two conjugate parameters using Gaussian probes

We analyze the precision limits for a simultaneous estimation of a pair of conjugate parameters in a displacement channel using Gaussian probes. Having a set of squeezed states as an initial resource, we compute the Holevo Cramér-Rao bound to investigate the best achievable estimation precisions if...

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Bibliographic Details
Main Authors: Syed M. Assad, Jiamin Li, Yuhong Liu, Ningbo Zhao, Wen Zhao, Ping Koy Lam, Z. Y. Ou, Xiaoying Li
Format: Article
Language:English
Published: American Physical Society 2020-05-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.2.023182