Researchers have achieved single-shot readout of three two-electron spin states of a single quantum dot. This is the first example of simultaneous detection of multiple spin states in a single quantum dot. The team measured the change in current of a quantum point contact charge sensor near a quantum dot, which depended on both spin state and spin-orbital interactions. Their findings represent a step forward on the path to realizing quantum computing.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/03/170313105908.htm
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