Coherent shuttling of a hole spin qubit through multiple quantum dots

Raw data on which the figures in the publication 'Coherent shuttling of a hole spin qubit through multiple quantum dots' are based and the python scripts which are used to generated the figures.

Abstract of the paper:

A quantum bus has the potential to interconnect qubit registers in networked and distributed
quantum computing. Semiconductor quantum dot qubits have seen significant progress in the high-
fidelity operation of small qubit registers but establishing a compelling quantum link remains a
challenge. Here, we show that a spin qubit can be shuttled through multiple quantum dots while
preserving its quantum information. Remarkably, we achieve these results using hole spin qubits
in germanium, despite the presence of strong spin-orbit interaction. We accomplish the shuttling
of spin basis state over effective lengths beyond 200 μm and demonstrate the coherent shuttling
of superposition states over effective lengths corresponding to 8 μm. These findings indicate that
shuttling can be used to route qubits within registers and to establish quantum links between
registers. It could enable the construction of high-connectivity and modular quantum computers on
single semiconductor chips.