4 papers
Optimal Effective Hamiltonian for Quantum Computing and Simulation
Hao-Yu Guan, Xiao-Long Zhu, Yu-Hang Dang +1
The effective Hamiltonian serves as the conceptual pivot of quantum engineering, transforming physical complexity into programmable logic; yet, its construction remains compromised…
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…
Photon-Number Conserved Universal Quantum Logic Employing Continuous-Time Quantum Walk on Dual-Rail Qubit Arrays
Hao-Yu Guan, Yifei Li, Xiu-Hao Deng
We demonstrate a synergy between dual-rail qubit encoding and continuous-time quantum walks (CTQW) to realize universal quantum logic in superconducting circuits. Utilizing the pho…
Weaving Complex Graph on simple low-dimensional qubit lattices
Yu-Hang Dang, Shyam Dhamapurkar, Xiao-Long Zhu +3
In quantum computing, the connectivity of qubits placed on two-dimensional chips limits the scalability and functionality of solid-state quantum computers. This paper presents two…