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Trapped Ion Quantum Computing

Four- and six-photon stimulated Raman transitions for coherent qubit and qudit operations

arXiv
Authors: Gabriel J. Gregory, Evan R. Ritchie, Alex Quinn, Sean Brudney, David J. Wineland, David T. C. Allcock, Jameson O'Reilly

Year

2026

Paper ID

15764

Status

Preprint

Abstract Read

~2 min

Abstract Words

85

Citations

N/A

Abstract

We experimentally demonstrate transitions between electronic angular momentum states with a difference in magnetic quantum numbers ΔmJ = 3, 4, and 5 via resonant four- and six-photon stimulated Raman transitions in a single trapped atom. Derivation of the corresponding Rabi frequencies, which are verified experimentally, follows the standard treatment of two-photon transitions including the adiabatic elimination of intermediate states. Finally, we discuss pathways to increase the observed multi-photon transition fidelities to >99.99\%, providing a tool for efficient, high-fidelity control of qudits and single-atom logical qubits.

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  • We experimentally demonstrate transitions between electronic angular momentum states with a difference in magnetic quantum numbers ΔmJ = 3, 4, and 5 via resonant four- and...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.18567 [2] arXiv https://arxiv.org/abs/2602.18567 [3] Publisher https://arxiv.org/abs/2602.18567

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