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Quantum error mitigation based on the Z-mixed-expression of the amplitude damping channel |
| Ting Li(李汀)1,†, Hangming Zhang(张航铭)1,2, Lingling Zheng(征玲玲)1, and Fei Li(李飞)1 |
1 School of Communications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
2 China Telecom Fujian Branch, Fuzhou 350000, China |
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Abstract In the field of quantum error mitigation, most current research separately addresses quantum gate noise mitigation and measurement noise mitigation. However, due to the typically high complexity of measurement noise mitigation methods, such as those based on estimating response matrices, the overall complexity of noise mitigation schemes increases when combining measurement noise mitigation with other quantum gate noise mitigation approaches. This paper proposes a low-complexity quantum error mitigation scheme that jointly mitigates quantum gate and measurement noise, specifically when measurement noise manifests as an amplitude damping channel. The proposed scheme requires estimating only three parameters to jointly mitigate both types of noise, whereas the zero-noise extrapolation method enhanced by response matrix estimation requires estimating at least six parameters under the same conditions.
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Received: 12 July 2025
Revised: 14 September 2025
Accepted manuscript online: 15 September 2025
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PACS:
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47.55.nb
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(Capillary and thermocapillary flows)
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47.20.Ky
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(Nonlinearity, bifurcation, and symmetry breaking)
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47.11.Fg
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(Finite element methods)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 62271265). |
Corresponding Authors:
Ting Li
E-mail: lit@njupt.edu.cn
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| About author: 2025-124703-251197.pdf |
Cite this article:
Ting Li(李汀), Hangming Zhang(张航铭), Lingling Zheng(征玲玲), and Fei Li(李飞) Quantum error mitigation based on the Z-mixed-expression of the amplitude damping channel 2025 Chin. Phys. B 34 124703
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