5 papers
Extensible Fluxonium Architecture Using Tunable Couplers with Low Shunt Capacitance
Peng Zhao, Peng Xu, Zheng-Yuan Xue
Fluxonium qubits have demonstrated high-fidelity operations and long coherence times in small-scale systems, highlighting their promise for quantum computing. However, large-scale…
Fast entangling gates on fluxoniums via parametric modulation of plasmon interaction
Peng Zhao, Peng Xu, Zheng-Yuan Xue
In superconducting quantum processors, exploring diverse control methods could offer essential versatility and redundancy to mitigate challenges such as frequency crowding, spuriou…
Long-range tunable coupler for modular fluxonium quantum processors
Peng Zhao, Peng Xu, Zheng-Yuan Xue
The path toward practical superconducting quantum processors requires the integration of a large number of high-performance qubits. Modular architectures could offer a way to addre…
Scalable native multiqubit gates via engineered noncomputational-state interactions in superconducting fluxonium qubits
Peng Zhao, Peng Xu, Zheng-Yuan Xue
Native multiqubit gates could be essential for bridging the gap from current noisy devices to future utility-scale quantum computers, as they can substantially reduce circuit depth…
Analysis of Frequency Collisions in Parametrically Modulated Superconducting Circuits
Zhuang Ma, Peng Zhao, Xinsheng Tan +1
Superconducting circuits are a leading platform for scalable quantum computing, where parametric modulation is a widely used technique for implementing high-fidelity multi-qubit op…