198 citations
- Beijing University of Posts and TelecommunicationsCN10 papers
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Showing 2026 · quant-phShow all
3 papers · 2 filters
quant-ph2026
Robust device-independent characterization of sharpness and incompatibility of unsharp instruments
Qian Zhang, Kai-Yu Yuan, Yan-Xin Rong +3
Unsharp measurements are key resources for tasks that balance information gain and disturbance, but certifying them without device assumptions remains a challenge. We propose a ful…
quant-ph2026★ 3 cited
Demonstration of Discrete-Time Quantum Walks and Observation of Topological Edge States in a Superconducting Qutrit Chain
Kun Zhou, Jian-Wen Xu, Qi-Ping Su +12
Quantum walk serves as a versatile tool for universal quantum computing and algorithmic research. However, the implementation of discrete-time quantum walks (DTQWs) with supercondu…
quant-ph2026
Scalable high-fidelity and near-deterministic preparation of large photon-number states
Mo Xiong, Jize Han, Chuanzhen Cao +3
The scalable preparation of large photon-number (Fock) states is a long-standing frontier in quantum science, with direct implications for quantum metrology and bosonic quantum inf…