collaborators

6 papers

quant-ph2026

Dressed-state relaxation in coupled qubits as a source of two-qubit gate errors

Ruixia Wang, Jiayu Ding, Chenlu Wang +8

Understanding error mechanisms in two-qubit gate operations is essential for building high-fidelity quantum processors. While prior studies predominantly treat dephasing noise as e…

quant-ph2026

Suppressing spurious transitions using spectrally balanced pulse

Ruixia Wang, Yaqing Feng, Yujia Zhang +10

Achieving precise control over quantum systems presents a significant challenge, especially in many-body setups, where residual couplings and unintended transitions undermine the a…

quant-ph2026

Mitigating Measurement Crosstalk via Pulse Shaping

Yang Gao, Feiyu Li, Yang Liu +10

Quantum error correction protocols require rapid and repeated qubit measurements. While multiplexed readout in superconducting quantum systems improves efficiency, fast probe pulse…

quant-ph2025

A simple universal routing strategy for reducing the connectivity requirements of quantum LDPC codes

Guangqi Zhao, Fei Yan, Xiaotong Ni

Quantum low-density parity-check codes reduce quantum error correction overhead but require dense, long-range connectivity that challenges hardware implementation, particularly for…

quant-ph2025

Efficient Implementation of Arbitrary Two-Qubit Gates via Unified Control

Zhen Chen, Weiyang Liu, Yanjun Ma +16

The native gate set is fundamental to the performance of quantum devices, as it governs the accuracy of basic quantum operations and dictates the complexity of implementing quantum…

quant-ph2025

Multi-Purpose Architecture for Fast Reset and Protective Readout of Superconducting Qubits

Jiayu Ding, Yulong Li, He Wang +12

The ability to fast reset a qubit state is crucial for quantum information processing. However, to actively reset a qubit requires engineering a pathway to interact with a dissipat…