4 papers
Quantum-preserved transport of excitations in Rydberg-dressed atom arrays
Panpan Li, Jing Qian, Weiping Zhang
To transport high-quality quantum state between two distant qubits through one-dimensional spin chains, the perfect state transfer (PST) method serves as the first choice, due to i…
Erasing Doppler Dephasing Error in Rydberg Quantum Gates
Rui Li, Jing Qian, Weiping Zhang
The Doppler dephasing error due to residual thermal motion of qubit atoms is a major cause of fidelity loss in neutral-atom quantum gates. Besides cooling and trapping advancements…
Proposal for practical Rydberg quantum gates using a native two-photon excitation
Rui Li, Jing Qian, Weiping Zhang
Rydberg quantum gate serving as an indispensable computing unit for neutral-atom quantum computation, has attracted intense research efforts for the last decade. However the state-…
Multiqubit Toffoli gates and optimal geometry with Rydberg atoms
Dongmin Yu, Han Wang, Jin-ming Liu +3
Due to its potential for implementing a scalable quantum computer, multiqubit Toffoli gate lies in the heart of quantum information processing. In this article, we demonstrate a mu…