Electron spins confined within quantum dots are potential qubits for quantum information processing. But how to couple the dots? Optical probing of spherical structures that contain two concentric coupled quantum dots leads the way.
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Burkard, G. Connect the dots. Nature Phys 2, 807–808 (2006). https://doi.org/10.1038/nphys467
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DOI: https://doi.org/10.1038/nphys467
