Article
-100 -90 -80 -70 -60 -50 -40 -30
RF output [dBm]-60
-50
-40
-30
-20
-10
0
10
20
Lockin-Amp readout of spin response [dBV]
Experimental data
y=42.5(3)+0.999(5)x-100 -90 -80 -70 -60 -50 -40 -30
RF output [dBm]-180
-170
-160
-150
-140
-130
-120
-110
-100
-90
Pickup coil readout [dBV]
Experimental data
y=-73.9(3)+1.012(8)xa b
Extended Data Fig. 4 | Calibration of the applied RF magnetic f ield.
a, Calibration using the displacement of atomic spins. b, Calibration using a
small pickup coil. The amplitude of the RF output in our detection experiment
is −97 dB m, which lies at the bottom left of the figure. In both curves, a slope
near 1 indicates a good linear relation.