Coupling and entangling of quantum states in quantum dot molecules.

By Manfred Bayer, P. Hawrylak, Karin Hinzer, S. Fafard, M. Korkusinski, Z. Wasilewski, O. Stern, A. Forchel. Science, 2001

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Quantum dot Rabi rotations beyond the weak exciton–phonon coupling regime (2010, background): “Moreover, optical preparation, control, and readout of a single self-assembled QD spin has been achieved [21, 22, 23, 24, 25, 26, 27], while various forms of coupling between closely spaced dots have been observed and characterised [28, 29, 30, 31, 32].”
One-Way Quantum Repeater Based on Near-Deterministic Photon-Emitter Interfaces (2019, background): “The spinspin gates required for the repeater may be mediated through tunneling in quantum dots [40,53,54] or nuclear-electron spin coupling for diamond defects [42].”
Engineering atomic and molecular nanostructures at surfaces (2005, background): “But controlled formation and precise arrangement of such small structures are challenging and likely to require self-organized growth, as illustrated by a strategy that makes use of spontaneous alignment of stacked quantum dot layers to form vertical quantum dot molecule”
Colloidal nanocrystal heterostructures with linear and branched topology (2004, background): “For example, this was the case when it became possible to couple solid-state embedded quantum dots into quantum dot molecule”