Metrological Characterization of Non-Gaussian Entangled States of Superconducting Qubits

Metrological Characterization of Non-Gaussian Entangled States of Superconducting Qubits

Multipartite entangled states are significant resources for both quantum information processing and quantum metrology. In particular, non-Gaussian entangled states are predicted to achieve a higher sensitivity of precision measurements than Gaussian states. On the basis of metrological sensitivity,...

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Bibliographic Details
Main Authors: Chen, C.-T (Author), Fan, H. (Author), Huang, K. (Author), Li, H. (Author), Nori, F. (Author), Shi, Y.-H (Author), Song, P. (Author), Song, X. (Author), Sun, Z.-H (Author), Wang, H. (Author), Xiang, Z. (Author), Xu, K. (Author), Zhang, Y.-R (Author), Zheng, D. (Author)
Format: Article
Language:English
Published: American Physical Society 2022
Subjects:
Entangled state
Fisher information
Fisher information matrix
Gaussian distribution
Gaussian noise (electronic)
Metrological characterization
Non-Gaussian
Non-linear squeezing
Quantum entanglement
Quantum information processing
Quantum metrology
Quantum optics
Qubits
Single-shot readout
Squeezing parameter
Superconducting qubits
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