Heisenberg-scaling measurement of the single-photon Kerr non-linearity using mixed states

Improving the precision of measurements is a significant scientific challenge. Previous works suggest that in a photon-coupling scenario the quantum fisher information shows a quantum-enhanced scaling of N(2), which in theory allows a better-than-classical scaling in practical measurements. In this...

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Udgivet i:Nat Commun
Main Authors: Chen, Geng, Aharon, Nati, Sun, Yong-Nan, Zhang, Zi-Huai, Zhang, Wen-Hao, He, De-Yong, Tang, Jian-Shun, Xu, Xiao-Ye, Kedem, Yaron, Li, Chuan-Feng, Guo, Guang-Can
Format: Artigo
Sprog:Inglês
Udgivet: Nature Publishing Group UK 2018
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Article
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC5758646/
https://ncbi.nlm.nih.gov/pubmed/29311543
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-017-02487-z
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