Quantum 2025 – wissenschaftliches Programm
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SYCC: Symposium Quantum Computing and Communication: Early Days and New Developments
SYCC 1: Quantum Computing and Communication: Early Days and New Developments
SYCC 1.2: Hauptvortrag
Dienstag, 9. September 2025, 11:25–12:05, ZHG010
Semiconductor spin qubits - vision, opportunities and challenges — •Lieven Vandersypen — QuTech and Kavli Institute of Nanoscience, Delft University of Technology, Delft, Netherlandds
Quantum computation has captivated the minds of many for several decades. For much of that time, it was seen mostly as an extremely interesting scientific problem. In the last few years, we have entered a new phase as the belief has grown that a large-scale quantum computer can actually be built. Quantum bits encoded in the spin state of individual electrons in silicon quantum dot arrays, have emerged as a highly promising direction. In this talk, I will present our vision of a large-scale spin-based quantum processor, and ongoing work to realize this vision.
Recent steps include the realization of high-fidelity multi-qubit registers, novel qubit control schemes, high-fidelity shuttling of electron spins, two-qubit gates implemented on mobile spins, two-qubit gates acting on spins separated by 250 micron. When combined, the progress along these various fronts can lead the way to scalable networks of high-fidelity spin qubit registers for computation and simulation.
Keywords: spin qubits; quantum dots; quantum computation; quantum simulation