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Wideband electric field quantum sensing via motional Raman transitions

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Nature Physics, Published online: 18 February 2025; doi:10.1038/s41567-024-02753-0

The narrow frequency response of quantum harmonic oscillators typically limits their application in radiofrequency electric field detection. Now motional Raman transitions in trapped ions are shown to enable wideband, high-precision radiofrequency field sensing.