collaborators
Showing quant-phShow all

6 papers · 1 filter

quant-ph2025

Tunable Hybrid-Mode Coupler Enabling Strong Interactions between Transmons at Centimeter-Scale Distance

Jianwen Xu, Xiang Deng, Wen Zheng +12

The transmon, a fabrication-friendly superconducting qubit, remains a leading candidate for scalable quantum computing. Recent advances in tunable couplers have accelerated progres…

quant-ph2025

Broadband merged-element Josephson parametric amplifier

Yuting Sun, Xianke Li, Qingyu Wang +5

Broadband quantum-limited amplifiers are essential for quantum information processing, yet challenges in design and fabrication continue to hinder their widespread applications. He…

quant-ph2025

Fabrication of airbridges with gradient exposure

Yuting Sun, Jiayu Ding, Xiaoyu Xia +6

In superconducting quantum circuits, airbridges are critical for eliminating parasitic slotline modes of coplanar waveguide circuits and reducing crosstalks between direct current…

quant-ph2024

Long-Range Interaction via Resonator-Induced Phase in Superconducting Qubits

Xiang Deng, Wen Zheng, Xudong Liao +8

Superconducting quantum computing emerges as one of leading candidates for achieving quantum advantage. However, a prevailing challenge is the coding overhead due to limited quantu…

quant-ph2024

Suppression of static ZZ interaction in an all-transmon quantum processor

Peng Zhao, Dong Lan, Peng Xu +5

The superconducting transmon qubit is currently a leading qubit modality for quantum computing, but gate performance in quantum processor with transmons is often insufficient to su…

quant-ph2024

High-contrast ZZ interaction using superconducting qubits with opposite-sign anharmonicity

Peng Zhao, Peng Xu, Dong Lan +4

For building a scalable quantum processor with superconducting qubits, ZZ interaction is of great concern because its residual has a crucial impact to two-qubit gate fidelity. Two-…