Heatmap from Scientific Research

The digitized sensor current (representing dot occupation) averaged over ~140 single-shot traces as a function of the Read level shift relative to the GS at B = 40 mT. Insets: the relative positions of the dot’s energy levels and the EF of the lead for three different regimes: (III) readout from both ESs, (II) resonant jumps between the lower-energy ES and the lead and (I) readout from the higher-energy ES. 1 and 2 denote the energy splittings between the GS and the two ESs respectively. The sensor signal is digitized to represent the dot occupation, such that current offsets due to the sensor drift are compensated.

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