106 citations · 284 across the 21 of their papers we have counts for
21 papers
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…
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…
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…
A C-Band Cryogenic GaAs MMIC Low-Noise Amplifier for Quantum Applications
Zechen Guo, Daxiong Sun, Peisheng Huang +16
Large-scale superconducting quantum computers require massive numbers of high-performance cryogenic low-noise amplifiers (cryo-LNA) for qubit readout. Here we present a C-Band mono…
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…
M2CS: A Microwave Measurement and Control System for Large-scale Superconducting Quantum Processors
Jiawei Zhang, Xuandong Sun, Zechen Guo +17
As superconducting quantum computing continues to advance at an unprecedented pace, there is a compelling demand for the innovation of specialized electronic instruments that act a…
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.…
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…
Interaction-induced topological pumping in a solid-state quantum system
Ziyu Tao, Wenhui Huang, Jingjing Niu +24
As the basis for generating multi-particle quantum correlations, inter-particle interaction plays a crucial role in collective quantum phenomena, quantum phase transitions, and qua…
Low-loss interconnects for modular superconducting quantum processors
Jingjing Niu, Libo Zhang, Yang Liu +23
Scaling is now a key challenge in superconducting quantum computing. One solution is to build modular systems in which smaller-scale quantum modules are individually constructed an…
Experimental Realization of Two Qutrits Gate with Tunable Coupling in Superconducting Circuits
Kai Luo, Wenhui Huang, Ziyu Tao +12
Gate-based quantum computation has been extensively investigated using quantum circuits based on qubits. In many cases, such qubits are actually made out of multilevel systems but…
Experimental realization of phase-controlled dynamics with hybrid digital-analog approach
Ziyu Tao, Libo Zhang, Xiaole Li +9
Quantum simulation can be implemented in pure digital or analog ways, each with their pros and cons. By taking advantage of the universality of a digital route and the efficiency o…
Simulation of Higher-Order Topological Phases and Related Topological Phase Transitions in a Superconducting Qubit
Jingjing Niu, Tongxing Yan, Yuxuan Zhou +8
Higher-order topological phases give rise to new bulk and boundary physics, as well as new classes of topological phase transitions. While the realization of higher-order topologic…