Engineered dissipation for quantum information science

PM Harrington, EJ Mueller, KW Murch - Nature Reviews Physics, 2022 - nature.com
Quantum information processing relies on the precise control of non-classical states in the
presence of many uncontrolled environmental degrees of freedom. The interactions …

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 …

GRAPE optimization for open quantum systems with time-dependent decoherence rates driven by coherent and incoherent controls

VN Petruhanov, AN Pechen - Journal of Physics A: Mathematical …, 2023 - iopscience.iop.org
Abstract The GRadient Ascent Pulse Engineering (GRAPE) method is widely used for
optimization in quantum control. GRAPE is gradient search method based on exact …

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 …

Scalable dissipative preparation of many-body entanglement

F Reiter, D Reeb, AS Sørensen - Physical review letters, 2016 - APS
We present a technique for the dissipative preparation of highly entangled multiparticle
states of atoms coupled to common oscillator modes. By combining local spontaneous …

Asymmetric blockade and multiqubit gates via dipole-dipole interactions

JT Young, P Bienias, R Belyansky, AM Kaufman… - Physical Review Letters, 2021 - APS
Because of their strong and tunable interactions, Rydberg atoms can be used to realize fast
two-qubit entangling gates. We propose a generalization of a generic two-qubit Rydberg …

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 …

Quantum and nonlinear optics in strongly interacting atomic ensembles

C Murray, T Pohl - Advances in Atomic, Molecular, and Optical Physics, 2016 - Elsevier
Coupling light to ensembles of strongly interacting particles has emerged as a promising
route toward achieving few photon nonlinearities. One specific way to implement this kind of …

Fast multiqubit Rydberg geometric fan-out gates with optimal control technology

JF Wei, FQ Guo, DY Wang, Y Jia, LL Yan, M Feng… - Physical Review A, 2022 - APS
Practical quantum computation requires highly efficient implementation of quantum logic
gates. The fan-out gate represents such a type of multiqubit controlled gate with one qubit …