5 papers
Measurement-and Feedback-Driven Non-Equilibrium Phase Transitions on a Quantum Processor
Zhiyi Wu, Xuandong Sun, Songlei Wang +8
Mid-circuit measurements and feedback operations conditioned on the measurement outcomes are essential for implementing quantum error-correction on quantum hardware. When integrate…
Real-time Surface-Code Error Correction Using an FPGA-based Neural-Network Decoder
Xiaohan Yang, Xuandong Sun, Zhiyi Wu +9
Quantum error correction (QEC) is essential for achieving low error rates required for fault-tolerant quantum computation. In stabilizer-based codes such as the surface code, error…
Logical operations with a dynamical qubit in Floquet-Bacon-Shor code
Xuandong Sun, Longcheng Li, Zhiyi Wu +29
Quantum error correction (QEC) protects quantum systems against inevitable noises and control inaccuracies, providing a pathway towards fault-tolerant (FT) quantum computation. Sta…
State Similarity in Modular Superconducting Quantum Processors with Classical Communications
Bujiao Wu, Changrong Xie, Peng Mi +20
As quantum devices continue to scale, distributed quantum computing emerges as a promising strategy for executing large-scale tasks across modular quantum processors. A central cha…
Improving Quantum Optimization to Achieve Quadratic Time Complexity
Ji Jiang, Peisheng Huang, Zhiyi Wu +15
Quantum Approximate Optimization Algorithm (QAOA) is a promising candidate for achieving quantum advantage in combinatorial optimization. However, its variational framework present…