activity
20242026
most citedHigh-precision pulse calibration of tunable couplers for high-fidelity two-qubit gates in superconducting quantum processors

14 citations · 57 across the 12 of their papers we have counts for

collaborators

13 papers

quant-ph2026

Experimental Realization of a C-Shunt Flux-Qubit Coupler for Controlled-Z Gates between Transmons

Weiping Yuan, Silu Zhao, Li Li +16

Fast entangling gates and low-interaction idling require distinct operating conditions in superconducting quantum processors. We experimentally realize a transmon-C-shunt-transmon…

quant-ph2026

Demonstration of High-Fidelity Gates in a Strongly Anharmonic with Long-Coherence C-Shunt Flux Qubit

Silu Zhao, Li Li, Weiping Yuan +13

We demonstrate high-fidelity single-qubit gates on a C-shunt flux qubit that simultaneously combines a large anharmonicity () with long relaxation…

quant-ph2025

Non-Equilibrium Criticality-Enhanced Quantum Sensing with Superconducting Qubits

Hao Li, Yaoling Yang, Yun-Hao Shi +24

Exploiting quantum features allows for estimating external parameters with precisions well beyond the capacity of classical sensors, a phenomenon known as quantum-enhanced precisio…

quant-ph2025★ 3 cited

Observation and Modulation of the Quantum Mpemba Effect on a Superconducting Quantum Processor

Yueshan Xu, Cai-Ping Fang, Bing-Jie Chen +33

In non-equilibrium quantum systems, the quantum Mpemba effect (QME) emerges as a counterintuitive phenomenon: systems exhibiting greater initial symmetry breaking restore symmetry…

quant-ph2025★ 2 cited

Flexible Readout and Unconditional Reset for Superconducting Multi-Qubit Processors with Tunable Purcell Filters

Yong-Xi Xiao, Da'er Feng, Xu-Yang Gu +18

Achieving high-fidelity qubit readout and reset while preserving qubit coherence is essential for quantum error correction and other advanced quantum algorithms. Here, we design an…

quant-ph2025★ 2 cited

Multimode Purcell Filter for Superconducting-Qubit Reset and Readout with Intrinsic Purcell Protection

Xu-Yang Gu, Da'er Feng, Zhen-Yu Peng +17

Efficient qubit reset and leakage reduction are essential for scalable superconducting quantum computing, particularly in the context of quantum error correction. However, such ope…

quant-ph2025

Quantum Acoustics with Superconducting Qubits in the Multimode Transition-Coupling Regime

Li Li, Xinhui Ruan, Si-Lu Zhao +23

Hybrid mechanical-superconducting systems for quantum information processing have attracted significant attention due to their potential applications. In such systems, the weak cou…

quant-ph2025★ 2 cited

Microwave Engineering of Tunable Spin Interactions with Superconducting Qubits

Kui Zhao, Ziting Wang, Yu Liu +24

Quantum simulation has emerged as a powerful framework for investigating complex many - body phenomena. A key requirement for emulating these dynamics is the realization of fully c…

quant-ph2025★ 8 cited

Stable and Efficient Charging of Superconducting Capacitively Shunted Flux Quantum Batteries

Li Li, Si-Lu Zhao, Yun-Hao Shi +15

Quantum batteries, as miniature energy storage devices, have sparked significant research interest in recent years. However, achieving rapid and stable energy transfer in quantum b…

quant-ph2025★ 5 cited

Prethermalization by Random Multipolar Driving on a 78-Qubit Superconducting Processor

Zheng-He Liu, Yu Liu, Gui-Han Liang +43

Time-dependent drives hold the promise of realizing non-equilibrium many-body phenomena that are absent in undriven systems. Yet, drive-induced heating normally destabilizes the sy…

quant-ph2025★ 12 cited

Direct Implementation of High-Fidelity Three-Qubit Gates for Superconducting Processor with Tunable Couplers

Hao-Tian Liu, Bing-Jie Chen, Jia-Chi Zhang +18

Three-qubit gates can be constructed using combinations of single-qubit and two-qubit gates, making their independent realization unnecessary. However, direct implementation of thr…

quant-ph2024★ 14 cited

High-precision pulse calibration of tunable couplers for high-fidelity two-qubit gates in superconducting quantum processors

Tian-Ming Li, Jia-Chi Zhang, Bing-Jie Chen +23

For superconducting quantum processors, stable high-fidelity two-qubit operations depend on precise flux control of the tunable coupler. However, the pulse distortion poses a signi…

quant-ph2024★ 9 cited

Tunable coupling of a quantum phononic resonator to a transmon qubit with flip-chip architecture

Xinhui Ruan, Li Li, Guihan Liang +16

A hybrid system with tunable coupling between phonons and qubits shows great potential for advancing quantum information processing. In this work, we demonstrate strong and tunable…