27 citations · 91 across the 18 of their papers we have counts for
18 papers
Real-time Surface-Code Error Correction Using an FPGA-based Neural-Network Decoder
Xiaohan Yang, Xuandong Sun, Zhiyi Wu +9
Quantum error correction (QEC) is essential for achieving low error rates required for fault-tolerant quantum computation. In stabilizer-based codes such as the surface code, error…
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…
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…
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…
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.…
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…
Predicting RNA Secondary Structure on Universal Quantum Computer
Ji Jiang, Qipeng Yan, Ye Li +6
It is the first step for understanding how RNA structure folds from base sequences that to know how its secondary structure is formed. Traditional energy-based algorithms are short…
Field-free superconducting diode in a magnetically nanostructured superconductor
Ji Jiang, M. V. Milošević, Yong-Lei Wang +3
A strong superconducting diode effect (SDE) is revealed in a thin superconducting film periodically nanostructured with magnetic dots. The SDE is caused by the current-activated di…
Reversible ratchet effects in a narrow superconducting ring
Ji Jiang, Yong-Lei Wang, M. V. Milošević +3
We study the ratchet effect in a narrow pinning-free superconductive ring based on time-dependent Ginzburg-Landau (TDGL) equations. Voltage responses to external dc an ac currents…
Thermodynamics of the Noninteracting Bose Gas in a Two-Dimensional Box
Heqiu Li, Qiujiang Guo, Ji Jiang +1
Bose-Einstein condensation (BEC) of a noninteracting Bose gas of N particles in a two-dimensional box with Dirichlet boundary conditions is studied. Confirming previous work, we fi…