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...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2020-05-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.2.023182 |