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Article History

Received: 9 August 2023

Accepted: 24 May 2024

First Online: 11 June 2024

Competing interests

: The conveyor-mode shuttling device QuBus is covered by a patent family (EP4031486, US 2022/0293846 A1, CN114424346 A) by the work of the inventors M.K., I.S., H.B., L.R.S. and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending. The IR zone and a method for operating it for initialization is covered by a patent family (EP4031489, US 2023/0006669 A1, CN114402441) by the work of the inventors H.B., L.R.S., M.K. and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending. A method for operating the IR zone for readout is covered by a patent family (EP4031487, US 2022/0327072, CN114424344) by the work of the inventors H.B., L.R.S., M.K. and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending. The T-junction is covered by a patent family (EP4031490, US 2022/0344565, CN114514618) by the work of the inventors H.B., L.R.S., M.K. and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending. The manipulation zone is covered by a patent family (EP4031488, US 2022/0414516 A1, CN114402440) by the work of the inventors H.B., L.R.S., M.K. and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending. The quantum layer consisting of tileable unit cells is covered by a patent family (EP4031491, US 2022/0335322 A1, CN114424345) by the work of the inventors H.B., L.R.S., M.K. and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending. A method for distributing qubits between unit cells is covered by a patent family (WO2023/117064 A1) by the work of the inventors M.K., Cerfontaine and the patent application, owned by RWTH Aachen University, is currently pending in the designated PCT-states. A method for occupying unit cells with more than one qubit is covered by a patent family (WO2023/117065 A1) by the work of the inventors L.R.S., M.K., H.B. and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending in the designated PCT-states. The modified T-junction with a segmentation of the outer screening gate to allow a local pulsing is covered by a patent family (PCT/EP2023/055060) by the work of the inventors L.R.S., A.W., H.Bh., R.X., M.K., H.B., E.K., and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending in the designated PCT-states. A method for avoiding problematic spots in the shuttling channel by shifting the shuttling path laterally is covered by a patent family (PCT/EP2023/055058) by the work of the inventors Klos, M.O., M.K., H.B., J.D.T., and the patent application, co-owned by RWTH Aachen University and Forschungszentrum Jülich GmbH, is currently pending in the designated PCT-states. The modified QuBus device, including a global top gate, is covered by a patent family (PCT/EP2023/055061) by the work of the inventors L.R.S., Focke, I.S., H.B., and the patent application, owned by RWTH Aachen University, is currently pending in the designated PCT-states. The broadband phononic Bragg reflector is covered by a patent family (DE102021123046 B3, WO2023/031477 A1, CN117917211 A) by the work of the inventor H.B., and the patent application, owned by Forschungszentrum Jülich GmbH, is currently pending. L.R.S. and H.B. are founders and shareholders of ARQUE Systems GmbH. The remaining authors declare no competing interests.