61 citations · 115 across the 10 of their papers we have counts for
10 papers
Scalable Robust Quantum Control for Semiconductor Spin Qubits with Always-on Couplings
Yong-Ju Hai, Shihang Zhang, Haoyu Guan +3
We demonstrate a robust quantum control framework that enables high-fidelity gate operations in semiconductor spin qubit systems with always-on couplings. Always-on interactions be…
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…
Robust Quantum Gates against Correlated Noise in Integrated Quantum Chips
Kangyuan Yi, Yong-Ju Hai, Kai Luo +9
As quantum circuits become more integrated and complex, additional error sources that were previously insignificant start to emerge. Consequently, the fidelity of quantum gates ben…
Enhancing Quantum Circuit Noise Robustness from a Geometric Perspective
Junkai Zeng, Yong-Ju Hai, Hao Liang +1
Quantum errors in noisy environments remain a major obstacle to advancing quantum information technology. In this work, we expand a recently developed geometric framework, original…
Exceptional entanglement in non-Hermitian fermionic models
Wei-Zhu Yi, Yong-Ju Hai, Rong Xiao +1
Exotic singular objects, known as exceptional points, are ubiquitous in non-Hermitian physics. They might be spectral singularities in energy bands that produce anomalous effects a…
Geometric correspondence of noisy quantum dynamics and universal robust quantum gates
Yong-Ju Hai, Junning Li, Junkai Zeng +1
Quantum information processing faces a significant hurdle: noise. Different noise sources induce varying errors in quantum operations depending on the underlying dynamics. To gain…
Scalable algorithm simplification using quantum AND logic
Ji Chu, Xiaoyu He, Yuxuan Zhou +29
Implementing quantum algorithms on realistic hardware requires translating high-level global operations into sequences of native elementary gates, a process known as quantum compil…
Optimizing quantum control pulses with complex constraints and few variables through Tensorflow
Yao Song, Junning Li, Yong-Ju Hai +2
Applying optimal control algorithms on realistic quantum systems confronts two key challenges: to efficiently adopt physical constraints in the optimization and to minimize the var…
Correcting correlated errors for quantum gates in multi-qubit systems using smooth pulse control
Xiu-Hao Deng, Yong-Ju Hai, Jun-Ning Li +1
In multi-qubit system, correlated errors subject to unwanted interactions with other qubits is one of the major obstacles for scaling up quantum computers to be applicable. We pres…
Measuring the Unique Identifiers of Topological Order Based on Boundary-Bulk Duality and Anyon Condensation
Yong-Ju Hai, Ze Zhang, Hao Zheng +3
A topological order is a new quantum phase that is beyond Landau's symmetry-breaking paradigm. Its defining features include robust degenerate ground states, long-range entanglemen…