385 citations · 1.7k across the 35 of their papers we have counts for
10 papers · 1 filter
Parity-dependent unidirectional and chiral photon transfer in reversed-dissipation cavity optomechanics
Zhen Chen, Qichun Liu, Jingwei Zhou +4
Nonreciprocal elements, such as isolators and circulators, play an important role in classical and quantum information processing. Recently, strong nonreciprocal effects have been…
Universality of universal single-qubit-gate decomposition with coherent errors
Ruixia Wang, Peng Zhao, Haifeng Yu
To generate arbitrary one- and two-qubit gates, the universal decompositions are usually used in quantum computing, and the universality of these decompositions has been demonstrat…
Beating the break-even point with a discrete-variable-encoded logical qubit
Zhongchu Ni, Sai Li, Xiaowei Deng +12
Quantum error correction (QEC) aims to protect logical qubits from noises by utilizing the redundancy of a large Hilbert space, where an error, once it occurs, can be detected and…
Baseband control of superconducting qubits with shared microwave drives
Peng Zhao, Ruixia Wang, Mengjun Hu +4
Accurate control of qubits is the central requirement for building functional quantum processors. For the current superconducting quantum processor, high-fidelity control of qubits…
Simulating Chern insulators on a superconducting quantum processor
Zhong-Cheng Xiang, Kaixuan Huang, Yu-Ran Zhang +16
The quantum Hall effect, fundamental in modern condensed matter physics, continuously inspires new theories and predicts emergent phases of matter. Here we experimentally demonstra…
Control and mitigation of microwave crosstalk effect with superconducting qubits
Ruixia Wang, Peng Zhao, Yirong Jin +1
Improving gate performance is vital for scalable quantum computing. The universal quantum computing also requires the gate fidelity to reach a high level. For superconducting quant…
Spurious microwave crosstalk in floating superconducting circuits
Peng Zhao, Yingshan Zhang, Xuegang Li +5
Crosstalk is a major concern in the implementation of large-scale quantum computation since it can degrade the performance of qubit addressing and cause gate errors. Finding the or…
Combating fluctuations in relaxation times of fixed-frequency transmon qubits with microwave-dressed states
Peng Zhao, Teng Ma, Yirong Jin +1
With the long coherence time, the fixed-frequency transmon qubit is a promising qubit modality for quantum computing. Currently, diverse qubit architectures that utilize fixed-freq…
Quantum circuit architecture search on a superconducting processor
Kehuan Linghu, Yang Qian, Ruixia Wang +14
Variational quantum algorithms (VQAs) have shown strong evidences to gain provable computational advantages for diverse fields such as finance, machine learning, and chemistry. How…
Tunable coupling of widely separated superconducting qubits: A possible application towards a modular quantum device
Peng Zhao, Yingshan Zhang, Guangming Xue +2
Besides striving to assemble more and more qubits in a single monolithic quantum device, taking a modular design strategy may mitigate numerous engineering challenges for achieving…