4 papers
High-Precision Calibration Workflow Achieves Above CZ Gate Fidelity on a Scalable Superconducting Processor
Huili Zhang, Meiling Li, Shuang Yang +6
High-fidelity universal two-qubit gates are critical for building fault-tolerant quantum computers. In scalable superconducting processors, shortened coherence times introduce more…
Simultaneous determination of multiple low-lying energy levels on a superconducting quantum processor
Huili Zhang, Yibin Guo, Guanglei Xu +4
Determining the ground and low-lying excited states is critical in numerous scenarios. Recent work has proposed the ancilla-entangled variational quantum eigensolver (AEVQE) that u…
Simultaneous determination of multiple low-energy eigenstates of many-body systems on a superconducting quantum processor
Huili Zhang, Yibin Guo, Guanglei Xu +4
The determination of the ground and low-lying excited states is critical in many studies of quantum chemistry and condensed-matter physics. Recent theoretical work proposes a varia…
Realization of high-fidelity perfect entangler between remote superconducting quantum processors
Juan Song, Shuang Yang, Pei Liu +7
Superconducting qubits, a promising candidate for universal quantum computing, currently face limitations in chip size due to reproducibility, wiring complexity, and packaging mode…