Peter Grünberg Colloquium: Prof. Dr. Menno Veldhorst, QuTech & Kavli Institute of Nanoscience, Delft University of Technology, Netherlands
Loss and DiVincenzo proposed in 1998 that quantum dots define excellent building blocks for a fault-tolerant quantum computer. By confining individual electrons in quantum dots, qubits can be defined on the electron spin states, and controlled using electrical signals. Two decades of intensive research on spin qubits in quantum dots has resulted in many proof-of-principle demonstrations. However, a realization of the original proposal remained elusive.