An injection-locked single-ion phonon laser extracts the frequency, phase, and amplitude of a low-frequency electric-field signal in one measurement, with 403.8 µV/(m·Hz^1/2) sensitivity and 61.5 µV/m detection limit.
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Single-atom sensor for low-frequency electric field
An injection-locked single-ion phonon laser extracts the frequency, phase, and amplitude of a low-frequency electric-field signal in one measurement, with 403.8 µV/(m·Hz^1/2) sensitivity and 61.5 µV/m detection limit.