collaborators

5 papers

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

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

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

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…

quant-ph2024

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…