Error mitigated metasurface-based randomized measurement schemes

Ren, Hang; Zhang, Yipei; Zheng, Ze; Ying, Cuifeng; Xu, Lei; Rahmani, Mohsen; Whaley, K. Birgitta

doi:10.1103/PhysRevResearch.6.033310

Title: Error mitigated metasurface-based randomized measurement schemes

Journal Article · 17 September 2024 · Physical Review Research

DOI: https://doi.org/10.1103/PhysRevResearch.6.033310 · OSTI ID:2446742

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Estimating properties of quantum states via randomized measurements has become a significant part of quantum information science. In this paper, we design an innovative approach leveraging metasurfaces to perform randomized measurements on photonic qubits, together with error mitigation techniques that suppress realistic metasurface measurement noise. Through fidelity and purity estimation, we confirm the capability of metasurfaces to implement randomized measurements and the unbiased nature of our error-mitigated estimator. Our findings show the potential of metasurface-based randomized measurement schemes in achieving robust and resource-efficient estimation of quantum state properties. Published by the American Physical Society 2024

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Sponsoring Organization:: USDOE

OSTI ID:: 2446742

Journal Information:: Physical Review Research, Journal Name: Physical Review Research Journal Issue: 3 Vol. 6; ISSN PPRHAI; ISSN 2643-1564

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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