13 papers
Low-latency FPGA-based electronic control system for fast preparation of defect-free atom arrays
Ya-Dong Hu, Dong-Qi Ma, Tian-Yang Zhang +13
The scalability of neutral atom quantum computing demands integrated electronic control systems with low latency, modular architecture, and real-time feedback capability. Here, we…
Optimal control with flag qubits
Liang-Xu Xie, Lui Zuccherelli de Paula, Weizhou Cai +6
High-fidelity quantum operations are the cornerstone of fault-tolerant quantum computation. In open quantum systems, traditional optimal control only passively resists decoherence,…
Robust and optimal control of open quantum systems
Zi-Jie Chen, Hongwei Huang, Lida Sun +9
Recent advancements in quantum technologies have highlighted the importance of mitigating system imperfections, including parameter uncertainties and decoherence effects, to improv…
Fault-tolerant preparation of arbitrary logical states in the cat code
Zi-Jie Chen, Weizhou Cai, Liang-Xu Xie +5
Preparing high-fidelity logical states is a central challenge in fault-tolerant quantum computing, yet existing approaches struggle to balance control complexity against resource o…
Synthetic Gauge Phase in Rydberg Electromagnetically Induced Transparency
Ya-Dong Hu, Yi-Chen Zhang, Qing-Xuan Jie +10
We demonstrate a synthetic gauge phase in Rydberg electromagnetically induced transparency (EIT) using room-temperature rubidium vapor. By exploiting polarization selection rules i…
Practical Quantum Reservoir Computing in Rydberg Atom Arrays
Dong-Sheng Liu, Qing-Xuan Jie, Chang-Ling Zou +2
Quantum reservoir computing (QRC) is a promising quantum machine learning framework for near-term quantum platforms, yet the performance of different QRC architectures under realis…