Robust Quantum State Manipulation by Composite Pulses in Five-Level Systems - Details

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A　scheme　is　proposed　for　achieving　robust　population　inversion　in　five-level　systems　by　means　of　composite　pulses.　An　example　of　such　a　system　consists　of　the　magnetic　sublevels　with　angular　momenta　(Formula　presented.)　and　(Formula　presented.).　Through　elaborately　constructing　the　relative　phases　of　pulse　pairs,　the　composite　sequences　perform　well　in　suppressing　the　uncorrelated　pulse　area　errors.　In　particular,　the　five　pulse-pair　sequence　possesses　good　robustness　and　a　short　evolution　time.　The　composite　sequences　are　further　designed　to　compensate　for　a　single　type　of　pulse　area　errors　to　any　desired　order.　This　work　provides　a　high-efficiency　way　for　robust　quantum　state　manipulation　in　five-level systems.　©　2024　Wiley-VCH　GmbH.

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[ 1 ] [Wang, Jian-Hui]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
[ 2 ] [Wang, Jian-Hui]Department of Physics, Fuzhou University, Fuzhou; 350108, China
[ 3 ] [Shi, Zhi-Cheng]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
[ 4 ] [Shi, Zhi-Cheng]Department of Physics, Fuzhou University, Fuzhou; 350108, China
[ 5 ] [Chen, Ye-Hong]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
[ 6 ] [Chen, Ye-Hong]Department of Physics, Fuzhou University, Fuzhou; 350108, China
[ 7 ] [Song, Jie]Department of Physics, Harbin Institute of Technology, Harbin; 150001, China
[ 8 ] [Huang, Bi-Hua]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
[ 9 ] [Huang, Bi-Hua]Department of Physics, Fuzhou University, Fuzhou; 350108, China
[ 10 ] [Xia, Yan]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
[ 11 ] [Xia, Yan]Department of Physics, Fuzhou University, Fuzhou; 350108, China

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Advanced Quantum Technologies

Year： 2024

Issue： 9

Volume： 7

4 . 4 0 0

JCR@2023

CAS Journal Grade：3

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