Effective Rabi dynamics of Rydberg atoms and robust high-fidelity quantum gates with a resonant amplitude-modulation field - Details

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Abstract：

With　a　resonant　amplitude-modulation　field　on　two　Rydberg　atoms,　we　propose　a　Rydberg　antiblockade　(RAB)　regime,　where　the　Rabi　oscillation　between　collective　ground　and　excited　states　is　induced.Acontrolled-Z　gate　can　be　yielded　through　a　Rabi　cycle.　Further,　several　common　issues　of　the　RAB　gates　are　solved　by　modifying　the　parameter　relation.　The　gate　fidelity　and　gate　robustness　against　the　control　error　are　enhanced　with　a　shaped　pulse.　The　requirement　of　control　precision　of　the　Rydberg-Rydberg　interaction　strength　is　relaxed.　In　addition,　the　atomic　excitation　is　restrained　and　therefore　the　gate　robustness　against　atomic　decay　is　enhanced.　©　2020　Optical　Society　of　America.

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[ 1 ] [Wu, J.-L.]School of Physics, Harbin Institute of Technology, Harbin, 150001, China
[ 2 ] [Su, S.-L.]School of Physics, Zhengzhou University, Zhengzhou, 450001, China
[ 3 ] [Wang, Y.]School of Physics, Harbin Institute of Technology, Harbin, 150001, China
[ 4 ] [Song, J.]School of Physics, Harbin Institute of Technology, Harbin, 150001, China
[ 5 ] [Song, J.]Key Laboratory of Micro-Nano Optoelectronic Information System, Ministry of Industry and Information Technology, Harbin, 150001, China
[ 6 ] [Song, J.]Key Laboratory of Micro-Optics and Photonic Technology of Heilongjiang Province, Harbin Institute of Technology, Harbin, 150001, China
[ 7 ] [Song, J.]Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi, 030006, China
[ 8 ] [Xia, Y.]Department of Physics, Fuzhou University, Fuzhou, 350002, China
[ 9 ] [Jiang, Y.-Y.]School of Physics, Harbin Institute of Technology, Harbin, 150001, China

Reprint 's Address：

[Song, J.]School of Physics, Harbin Institute of TechnologyChina

Email：

jsong@hit.edu.cn

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Source ：

Optics Letters

ISSN： 0146-9592

Year： 2020

Issue： 5

Volume： 45

Page： 1200-1203

3 . 1 0 0

JCR@2023

ESI HC Threshold：115

JCR Journal Grade：1

CAS Journal Grade：2

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SCOPUS Cited Count： 28

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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