Quantum devices

Nanowires charge towards integration

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Researchers have shown that it is possible to control the coupling between two quantum dots in a semiconducting nanowire, and also to count the charges on these dots with a third quantum dot in a different nanowire.

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Figure 1: A schematic diagram showing three quantum dots (1, 2, SET) defined in two silicon–germanium nanowires.

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Eriksson, M., Friesen, M. Nanowires charge towards integration. Nature Nanotech 2, 595–596 (2007) doi:10.1038/nnano.2007.314

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