Quantum computing with atomic qubits and Rydberg interactions: progress and challenges

M Saffman - Journal of Physics B: Atomic, Molecular and Optical …, 2016 - iopscience.iop.org
We present a review of quantum computation with neutral atom qubits. After an overview of
architectural options and approaches to preparing large qubit arrays we examine Rydberg …

Quantum logic and entanglement by neutral Rydberg atoms: methods and fidelity

XF Shi - Quantum Science and Technology, 2022 - iopscience.iop.org
Quantum gates and entanglement based on dipole–dipole interactions of neutral Rydberg
atoms are relevant to both fundamental physics and quantum information science. The …

Dissipative stabilization of high-dimensional GHZ states for neutral atoms

Y Zhao, YQ Yang, W Li, XQ Shao - Applied Physics Letters, 2024 - pubs.aip.org
High-dimensional quantum entanglement characterizes the entanglement of quantum
systems within a larger Hilbert space, introducing more intricate and complex correlations …

One-step implementation of the Rydberg-Rydberg-interaction gate

SL Su, E Liang, S Zhang, JJ Wen, LL Sun, Z **… - Physical Review A, 2016 - APS
We propose several schemes for implementing a two-qubit quantum phase gate between
two Rydberg atoms. The schemes could be realized in one step without adiabatic passage …

High-Fidelity Interconversion between Greenberger-Horne-Zeilinger and States through Floquet-Lindblad Engineering in Rydberg Atom Arrays

XQ Shao, F Liu, XW Xue, WL Mu, W Li - Physical Review Applied, 2023 - APS
Greenberger-Horne-Zeilinger and W states feature genuine tripartite entanglement that
cannot be converted into each other by local operations and classical communication. Here …

Fast and dephasing-tolerant preparation of steady Knill-Laflamme-Milburn states via dissipative Rydberg pum**

RH Zheng, Y **ao, SL Su, YH Chen, ZC Shi, J Song… - Physical Review A, 2021 - APS
We propose a fast and dephasing-tolerant scheme for the preparation of steady Knill-
Laflamme-Milburn (KLM) state between a pair of Rydberg atoms by dissipation. In this …

Unitary and nonunitary quantum cellular automata with Rydberg arrays

TM Wintermantel, Y Wang, G Lochead, S Shevate… - Physical review …, 2020 - APS
We propose a physical realization of quantum cellular automata (QCA) using arrays of
ultracold atoms excited to Rydberg states. The key ingredient is the use of programmable …

Single temporal-pulse-modulated parameterized controlled-phase gate for Rydberg atoms

XX Li, XQ Shao, W Li - Physical Review Applied, 2022 - APS
We propose an adiabatic protocol for implementing a controlled-phase gate CZ θ with
continuous θ of neutral atoms through a symmetrical two-photon excitation process via the …

Dissipative preparation of steady Greenberger-Horne-Zeilinger states for Rydberg atoms with quantum Zeno dynamics

XQ Shao, JH Wu, XX Yi, GL Long - Physical Review A, 2017 - APS
Inspired by a recent work [F. Reiter, D. Reeb, and AS Sørensen, Phys. Rev. Lett. 117,
040501 (2016) PRLTAO 0031-9007 10.1103/PhysRevLett. 117.040501], we present a …

High-tolerance antiblockade gates using optimal pulse drivings

WX Li, JL Wu, SL Su, J Qian - Physical Review A, 2024 - APS
Position error is treated as the leading obstacle that prevents Rydberg antiblockade gates
from being experimentally realizable, because of the inevitable fluctuations in the relative …