activity
20192026
most citedHigh-fidelity, high-scalability two-qubit gate scheme for superconducting qubits

210 citations · 1.3k across the 44 of their papers we have counts for

collaborators

44 papers

quant-ph2026

Demonstrating advantages of dynamic quantum circuits on a hybrid superconducting qubit-cavity processor

Hongbo Wu, Ling Hu, Jiasheng Mai +10

Dynamic quantum circuits (DQCs) provide a hardware-efficient route to quantum computing by reducing physical-qubit overhead and compressing circuit topology through mid-circuit mea…

quant-ph2026

Collective Dynamics in Circuit Quantum Acoustodynamics with a Macroscopic Resonator

Libo Zhang, Chilong Liu, Guixu Xie +9

Collective dynamics in engineered quantum systems offer a unique and versatile platform for exploring how many-body correlations bridge microscopic entanglement and macroscopic beh…

quant-ph2026

Quantum dynamics of microwave photons in synthetic frequency dimension

Zheshu Xie, Luojia Wang, Jiawei Qiu +13

Synthetic frequency dimension offers a powerful approach to simulate lattice models and control photon dynamics. However, extending this concept into the quantum regime, particular…

quant-ph2026

A biased-erasure cavity qubit with hardware-efficient quantum error detection

Jiasheng Mai, Qiyu Liu, Xiaowei Deng +8

Erasure qubits are beneficial for quantum error correction due to their relaxed threshold requirements. While dual-rail erasure qubits have been demonstrated with a strong error hi…

quant-ph2025

Thermalizing channel states for rapid qubit heating

Ziyang You, Wenhui Huang, Libo Zhang +4

Although known for negatively impacting the operation of superconducting qubits, thermal baths are shown to exert qubit control in a positive way, provided they are properly engine…

quant-ph2025

Autonomous quantum error correction beyond break-even and its metrological application

Zhongchu Ni, Ling Hu, Yanyan Cai +8

The ability to extend the lifetime of a logical qubit beyond that of the best physical qubit available within the same system, i.e., the break-even point, is a prerequisite for bui…

quant-ph2025★ 4 cited

Quantum-Enhanced Dark Matter Search Using Cat States

Pan Zheng, Yanyan Cai, Bin Xu +12

Quantum metrology has recently emerged as a powerful approach for dark matter (DM) searches, particularly using nonclassical bosonic states in microwave cavities that are sensitive…

quant-ph2025

State Similarity in Modular Superconducting Quantum Processors with Classical Communications

Bujiao Wu, Changrong Xie, Peng Mi +20

As quantum devices continue to scale, distributed quantum computing emerges as a promising strategy for executing large-scale tasks across modular quantum processors. A central cha…

quant-ph2025★ 6 cited

Logical multi-qubit entanglement with dual-rail superconducting qubits

Wenhui Huang, Xuandong Sun, Jiawei Zhang +21

Recent advances in quantum error correction (QEC) across hardware platforms have demonstrated operation near and beyond the fault-tolerance threshold, yet achieving exponential sup…

quant-ph2025★ 6 cited

Quantum squeezing amplification with a weak Kerr nonlinear oscillator

Yanyan Cai, Xiaowei Deng, Libo Zhang +8

Quantum squeezed states, with reduced quantum noise, have been widely utilized in quantum sensing and quantum error correction applications. However, generating and manipulating th…

quant-ph2025★ 5 cited

A thermal-noise-resilient microwave quantum network traversing 4 K

Jiawei Qiu, Zihao Zhang, Zilin Wang +9

Quantum communication at microwave frequencies has been fundamentally constrained by the susceptibility of microwave photons to thermal noise, hindering their application in scalab…

quant-ph2025

Logical operations with a dynamical qubit in Floquet-Bacon-Shor code

Xuandong Sun, Longcheng Li, Zhiyi Wu +29

Quantum error correction (QEC) protects quantum systems against inevitable noises and control inaccuracies, providing a pathway towards fault-tolerant (FT) quantum computation. Sta…

quant-ph2025★ 2 cited

Experimental observation of exact quantum critical states

Wenhui Huang, Xin-Chi Zhou, Libo Zhang +29

Anderson localization physics features three fundamental types of eigenstates: extended, localized, and critical, with the third one exhibiting the exotic properties in-between the…

quant-ph2025

Improving Quantum Optimization to Achieve Quadratic Time Complexity

Ji Jiang, Peisheng Huang, Zhiyi Wu +15

Quantum Approximate Optimization Algorithm (QAOA) is a promising candidate for achieving quantum advantage in combinatorial optimization. However, its variational framework present…

quant-ph2025★ 1 cited

Synthetic -flux system in 2D superconducting qubit array with tunable coupling

Yiting Liu, Jiawei Zhang, Zechen Guo +21

Flat-band systems provide an ideal platform for exploring exotic quantum phenomena, where the strongly suppressed kinetic energy in these flat energy bands suggests the potential f…

quant-ph2024★ 15 cited

Synthetic multi-dimensional Aharonov-Bohm cages in Fock state lattices

Jiajian Zhang, Wenhui Huang, Ji Chu +13

Fock-state lattices (FSLs), composed of photon number states with infinite Hilbert space, have emerged as a promising platform for simulating high-dimensional physics due to their…

quant-ph2024★ 4 cited

Distributed multi-parameter quantum metrology with a superconducting quantum network

Jiajian Zhang, Lingna Wang, Yong-Ju Hai +19

Quantum metrology has emerged as a powerful tool for timekeeping, field sensing, and precision measurements in fundamental physics. With the advent of distributed quantum metrology…

quant-ph2024★ 6 cited

Dephasing-assisted diffusive dynamics in superconducting quantum circuits

Yongqi Liang, Changrong Xie, Zechen Guo +21

Random fluctuations caused by environmental noise can lead to decoherence in quantum systems. Exploring and controlling such dissipative processes is both fundamentally intriguing…

quant-ph2024

Floquet Engineering of Anisotropic Transverse Interactions in Superconducting Qubits

Yongqi Liang, Wenhui Huang, Libo Zhang +15

Superconducting transmon qubits have established as a leading candidate for quantum computation, as well as a flexible platform for exploring exotic quantum phases and dynamics. Ho…

quant-ph2024★ 4 cited

In situ mixer calibration for superconducting quantum circuits

Nan Wu, Jing Lin, Changrong Xie +17

Mixers play a crucial role in superconducting quantum computing, primarily by facilitating frequency conversion of signals to enable precise control and readout of quantum states.…

quant-ph2024★ 1 cited

Noise-induced quantum synchronization and maximally entangled mixed states in superconducting circuits

Ziyu Tao, Finn Schmolke, Chang-Kang Hu +14

Random fluctuations can lead to cooperative effects in complex systems. We here report the experimental observation of noise-induced quantum synchronization in a chain of supercond…

quant-ph2024★ 19 cited

Coupler-Assisted Leakage Reduction for Scalable Quantum Error Correction with Superconducting Qubits

Xiaohan Yang, Ji Chu, Zechen Guo +21

Superconducting qubits are a promising platform for building fault-tolerant quantum computers, with recent achievement showing the suppression of logical error with increasing code…

quant-ph2024★ 22 cited

Robust Quantum Gates against Correlated Noise in Integrated Quantum Chips

Kangyuan Yi, Yong-Ju Hai, Kai Luo +9

As quantum circuits become more integrated and complex, additional error sources that were previously insignificant start to emerge. Consequently, the fidelity of quantum gates ben…

quant-ph2023

Neural network based time-resolved state tomography of superconducting qubits

Ziyang You, Jiheng Duan, Wenhui Huang +4

Superconducting qubits have emerged as a premier platform for large-scale quantum computation, yet the fidelity of state readout is often hindered by random noise and crosstalk, es…