6 papers
Real-time decoding of quantum error correction codes using high-performance computing
Lingling Lao, Qiang Wang, Yuanqi Liu +10
Quantum error correction (QEC) is indispensable for building scalable fault-tolerant quantum computers. Effective QEC demands stringent real-time decoding: the decoder must process…
Expressive Power and Limitations of Multi-photon Quantum Neural Networks
Zeyu Xiao, Weixu Shi, Yizhi Wang +2
Quantum neural networks (QNNs) have shown promise in leveraging quantum computation for machine learning tasks. Utilizing multiple identical photons as input, multi-photon quantum…
An iterative Ising decoder for quantum error correction codes
Yuanqi Liu, Weilei Zeng, Peixiang Li +6
The Ising framework maps the decoding problem in quantum error correction onto ground-state optimization of a classical Hamiltonian, in which - error correlations enter as cr…
High-efficiency Weak-trace-free Counterfactual Communication via Quantum Zeno Effect
Tianyi Xing, Anqi Huang, Yizhi Wang +10
The quantum Zeno effect, which inhibits quantum state evolution via repeated weak measurements, significantly enhances the efficiency of interaction-free measurement (IFM). This fu…
Matrix Product State on a Quantum Computer
Yong Liu, Guangyao Huang, Yizhi Wang +1
Solving quantum many-body systems is one of the most significant regimes where quantum computing applies. Currently, as a hardware-friendly computational paradigms, variational alg…
Error-mitigated entanglement-assisted quantum process tomography
Zhihao Wu, Lingling Lao, Chengqi Zhuke +6
In the era of noisy intermediate-scale quantum computing, it is of crucial importance to verify quantum processes and extract information. Quantum process tomography is a typical a…