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Fast continuous ion transport through X-junctions with low motional excitation for QCCD architectures
Jie Xiao, Zhao Wang, Chenghong Zhu +4
Trapped ion quantum computing based on the quantum charge coupled device (QCCD) architecture uses functional zoning and ion transport to enable high fidelity computation and all to…
Absence of poor local minima in matrix product states
Hao-Kai Zhang, Chenghong Zhu, Shuo Liu +2
Quantum circuits suffer from severe trainability issues: even shallow circuits are swamped with poor local minima. Yet matrix product states (MPS), which can be prepared by sequent…
Triage: An Adaptive Parallel Window Decoding Scheduler for Real-time Fault-Tolerant Quantum Computation
Jiahan Chen, Chenghong Zhu, Ge Bai +1
Fault-tolerant quantum computation (FTQC) critically depends on real-time classical decoding, which is rapidly emerging as a system bottleneck. As quantum systems scale, decoding l…
O3LS: Optimizing Lattice Surgery via Automatic Layout Searching and Loose Scheduling
Chenghong Zhu, Xian Wu, Jiahan Chen +4
Toward the large-scale, practical realization of quantum computing, quantum error correction is essential. Among various quantum error-correcting codes, the surface code stands out…
MERA: A Mid-Circuit-Measurement Error-Aware Compilation Framework for Quantum Circuits
Ming Zhong, Zhemin Zhang, Xiangyu Ren +3
Mid-circuit measurement (MCM) enables qubit reuse and dynamic control in quantum processors, underpinning resource-efficient algorithms and quantum error correction. However, MCM i…
Quantum Compiler Design for Qubit Mapping and Routing: A Cross-Architectural Survey of Superconducting, Trapped-Ion, and Neutral Atom Systems
Chenghong Zhu, Xian Wu, Zhaohui Yang +4
Quantum hardware development is progressing rapidly with substantial advancements achieved across leading platforms, including superconducting circuits, trapped-ion systems, and ne…
PHOENIX: Pauli-Based High-Level Optimization Engine for Instruction Execution on NISQ Devices
Zhaohui Yang, Dawei Ding, Chenghong Zhu +2
Variational quantum algorithms (VQA) based on Hamiltonian simulation represent a specialized class of quantum programs well-suited for near-term quantum computing applications due…