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

Quantum metrology usually relies on entanglement or squeezing for pursuing Heisenberg-limited precision. In this work, instead, the authors demonstrate Heisenberg-scaling measurement of a single photon Kerr’s nonlinearity using less-demanding mixed states.

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Autores principales: Geng Chen, Nati Aharon, Yong-Nan Sun, Zi-Huai Zhang, Wen-Hao Zhang, De-Yong He, Jian-Shun Tang, Xiao-Ye Xu, Yaron Kedem, Chuan-Feng Li, Guang-Can Guo
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Q
Acceso en línea:https://doaj.org/article/e3769ab2523c4adab54de5c47769a7e0
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