All-electrical universal control of a double quantum dot qubit in silicon MOS.
Qubits based on transistor-like Si MOS nanodevices are promising for quantum computing. In this work, we demonstrate a double quantum dot spin qubit that is all-electrically controlled without the need for any external components, like micromagnets, that could complicate integration. Universal control of the qubit is achieved through spin-orbit-like and exchange interactions. Using single shot readout, we show both DC- and AC-control techniques. The fabrication technology used is completely compatible with CMOS.
Publisher URL: http://arxiv.org/abs/1802.02117
DOI: arXiv:1802.02117v1
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