Heisenberg-limited single-mode quantum metrology in a superconducting circuit

Heisenberg-limited single-mode quantum metrology in a superconducting circuit

Reaching a quantum advantage in metrology usually requires hard-to-prepare two-mode entangled states such as NOON states. Here, instead, the authors demonstrate single-mode phase estimation using Fock states superpositions in a superconducting qubit-oscillator system.

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Detalles Bibliográficos
Autores principales: W. Wang, Y. Wu, Y. Ma, W. Cai, L. Hu, X. Mu, Y. Xu, Zi-Jie Chen, H. Wang, Y. P. Song, H. Yuan, C.-L. Zou, L.-M. Duan, L. Sun
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
Materias:
Science
Q
Acceso en línea:https://doaj.org/article/2672b44de15441b0bf07250efae49375
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