Küng, B., Pfäffli, O., Gustavsson, S., Ihn, Thomas, Ensslin, Klaus, Reinwald, Matthias und Wegscheider, Werner
Time-resolved charge detection with cross-correlation techniques.
Physical Review B 79 (3), 035314.
Zum Artikel beim Verlag (über DOI)
We present time-resolved charge-sensing measurements on a GaAs double quantum dot with two proximal quantum point-contact (QPC) detectors. The QPC currents are analyzed with cross-correlation techniques, which enable us to measure dot charging and discharging rates for significantly smaller signal-to-noise ratios than required for charge detection with a single QPC. This allows us to reduce the ...
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