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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 Jg=2$J_g=2$ and Je=2$J_e=2$. 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. This work is devoted to achieving robust population inversion in a five-level quantum system by means of composite pulses. The designed composite sequence can compensate the pulse area errors of the driving fields to any order. The results demonstrate that the proposed method is promising in error-prone environments, a superior technique for high-fidelity quantum computation in multilevel systems. image
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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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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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