210 citations · 955 across the 36 of their papers we have counts for
38 papers
Broadband Purcell Filter for Fast Superconducting Qubit Reset and Readout
Yu Zhao, Zhixu Chen, Hanxian Liu +12
Rapid reset and readout of qubit states are essential for quantum error correction, yet accelerating these operations through stronger coupling to a dissipative environment inevita…
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…
Quantum Charging Advantage in Superconducting Solid-State Batteries
Chang-Kang Hu, Chilong Liu, Jingchao Zhao +20
Quantum battery, as a novel energy storage device, offers the potential for unprecedented efficiency and performance beyond the capabilities of classical systems, with broad implic…
Quantum-Enhanced Sensing Enabled by Scrambling-Induced Genuine Multipartite Entanglement
Guantian Hu, Wenxuan Zhang, Zhihua Chen +16
Quantum sensing leverages quantum resources to surpass the standard quantum limit, yet many existing protocols rely on the preparation of complex entangled states and Hamiltonian e…
High-performance multiplexed readout of superconducting qubits with a tunable broadband Purcell filter
Yuzhe Xiong, Zilin Wang, Jiawei Zhang +14
Fast, high-fidelity, and low back-action readout plays a crucial role in the advancement of quantum error correction (QEC). Here, we demonstrate high-performance multiplexed readou…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
Digital simulation of zero-temperature spontaneous symmetry breaking in a superconducting lattice processor
Chang-Kang Hu, Guixu Xie, Kasper Poulsen +11
Quantum simulators are ideal platforms to investigate quantum phenomena that are inaccessible through conventional means, such as the limited resources of classical computers to ad…
Experimental sample-efficient quantum state tomography via parallel measurements
Chang-Kang Hu, Chao Wei, Chilong Liu +11
Quantum state tomography (QST) via local measurements on reduced density matrices (LQST) is a promising approach but becomes impractical for large systems. To tackle this challenge…
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.…
Hardware-Efficient Stabilization of Entanglement via Engineered Dissipation in Superconducting Circuits
Changling Chen, Kai Tang, Yuxuan Zhou +8
Generation and preservation of quantum entanglement are among the primary tasks in quantum information processing. State stabilization via quantum bath engineering offers a resourc…
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…
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…
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…
Multi-Level Variational Spectroscopy using a Programmable Quantum Simulator
Zhikun Han, Chufan Lyu, Yuxuan Zhou +17
Energy spectroscopy is a powerful tool with diverse applications across various disciplines. The advent of programmable digital quantum simulators opens new possibilities for condu…