Künne, Matthias http://orcid.org/0009-0009-1599-8831
Willmes, Alexander http://orcid.org/0009-0006-9702-2979
Oberländer, Max
Gorjaew, Christian
Teske, Julian D. http://orcid.org/0000-0002-7590-7876
Bhardwaj, Harsh http://orcid.org/0009-0003-3988-2223
Beer, Max http://orcid.org/0009-0007-9002-256X
Kammerloher, Eugen
Otten, René http://orcid.org/0000-0002-0891-1103
Seidler, Inga http://orcid.org/0009-0001-8941-4431
Xue, Ran http://orcid.org/0000-0002-2009-6279
Schreiber, Lars R.
Bluhm, Hendrik http://orcid.org/0000-0002-5224-7254
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (EXC 2004/1-390534769)
Bundesministerium für Bildung und Forschung (13N15652)
EC | Horizon 2020 Framework Programme (679342)
Project Si-QuBus within the QuantERA ERA-NET Cofund in Quantum Technologies implemented within the European Union’s Horizon 2020 research and innovation program.
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.