Semiconductor optical amplifiers enable low-noise, high-power amplitude-modulated pumping that improves coherence times and achieves environment-limited sensitivities of 80 fT/sqrt(Hz) at 600 Hz in Earth-field Rb OPMs.
All-optical atomic mag- netometry using an elliptically polarized amplitude- modulated light wave
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Fast, powerful, low-noise optical pumping of an atomic vapor with semiconductor optical amplifiers
Semiconductor optical amplifiers enable low-noise, high-power amplitude-modulated pumping that improves coherence times and achieves environment-limited sensitivities of 80 fT/sqrt(Hz) at 600 Hz in Earth-field Rb OPMs.