Gate-based reflectometry enables single-shot spin readout in double quantum dots. This can help to reduce the number of gates necessary to operate a spin qubit and the per qubit device footprint, while allowing fast measurement — important characteristics for scalable quantum computing architectures.
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Hu, X. Fast and space-efficient spin sensing. Nat. Nanotechnol. 14, 735–736 (2019). https://doi.org/10.1038/s41565-019-0516-9
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DOI: https://doi.org/10.1038/s41565-019-0516-9