Figure 2: High-accuracy data.
From: Towards a quantum representation of the ampere using single electron pumps

High-resolution measurement of the pump current as a function of exit gate voltage on the n=1 plateau with f=945 MHz and B=14 T obtained by averaging over 17 (small grey points) and 96 (large red points) on–off cycles (Fig. 7 and Methods section). Error bars show the systematic unceratinty US. The horizontal dotted line shows the expected current corresponding to exactly one electron pumped for each pump cycle, and the horizonal solid line shows the mean of the nine red points, with error bar indicating the systematic uncertainty UR.