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Post-selected enhancement of phase sensitivity in a two-path interferometer

Fukuda, Ryuya et al.
arXiv (All) · Papers
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opticsquantum-physics
Post-selected metrology can exceed the standard quantum limit of single photon interference by concentrating all of the available Fisher information in a subset of post-selected outcomes. Here we apply this principle to a standard two-path interferometer, activating the Fisher information concentrat
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