7 papers
Error-mitigated quantum state tomography using neural networks
Yixuan Hu, Mengru Ma, Jiangwei Shang
The reliable characterization of quantum states is a fundamental task in quantum information science. For this purpose, quantum state tomography provides a standard framework for r…
Simultaneous reconstruction of quantum process and noise via corrupted sensing
Mengru Ma, Jiangwei Shang
Quantum processes, including quantum gates and channels, are integral to various quantum information tasks, making the efficient characterization of these processes and their under…
Beating the Optimal Verification of Entangled States via Collective Strategies
Ye-Chao Liu, Jiangwei Shang
In the realm of quantum information processing, the efficient characterization of entangled states poses an overwhelming challenge, rendering the traditional methods including quan…
Prescriptive preparation and verification of nonstabilizer states
Jian Li, Ye-Chao Liu, Xiao-Xiao Chen +6
High-fidelity quantum state preparation is a central task in quantum information science. In practice, it is commonly guided either by full quantum state tomography, which becomes…
Corrupted sensing quantum state tomography
Mengru Ma, Jiangwei Shang
The reliable characterization of quantum states as well as any potential noise in various quantum systems is crucial for advancing quantum technologies. In this work we propose the…
Verification of entangled states under noisy measurements
Lan Zhang, Yinfei Li, Ye-Chao Liu +1
Entanglement plays an indispensable role in numerous quantum information and quantum computation tasks, underscoring the need for efficiently verifying entangled states. In recent…