Figure 3: Effect of AWG pulse waveform on pump performance for sample 1.
From: Towards a quantum representation of the ampere using single electron pumps
(a) Fractional deviation of pump current from ef in p.p.m., as a function of exit gate voltage, using sine wave drive at 400 MHz (circles), 630 MHz (squares) and 945 MHz (triangles). (b,c) Pump current as a function of offset exit gate voltage ΔVG2=VG2−VG2,H, where VG2,H is the high-voltage edge of the n=1 plateau, at 630 MHz (panel b) and 945 MHz (panel c). Open (solid) points indicate sine wave (AWG pulse) drive.
