Spin-EPR-pair separation by conveyor-mode single electron shuttling in Si/SiGe

T Struck, M Volmer, L Visser, T Offermann… - Nature …, 2024 - nature.com
Long-ranged coherent qubit coupling is a missing function block for scaling up spin qubit
based quantum computing solutions. Spin-coherent conveyor-mode electron-shuttling could …

Coherent spin qubit shuttling through germanium quantum dots

F van Riggelen-Doelman, CA Wang… - Nature …, 2024 - nature.com
Quantum links can interconnect qubit registers and are therefore essential in networked
quantum computing. Semiconductor quantum dot qubits have seen significant progress in …

The SpinBus architecture for scaling spin qubits with electron shuttling

M Künne, A Willmes, M Oberländer, C Gorjaew… - Nature …, 2024 - nature.com
Quantum processor architectures must enable scaling to large qubit numbers while
providing two-dimensional qubit connectivity and exquisite operation fidelities. For …

Si/SiGe QuBus for single electron information-processing devices with memory and micron-scale connectivity function

R Xue, M Beer, I Seidler, S Humpohl, JS Tu… - Nature …, 2024 - nature.com
The connectivity within single carrier information-processing devices requires transport and
storage of single charge quanta. Single electrons have been adiabatically transported while …

Conveyor-mode single-electron shuttling in Si/SiGe for a scalable quantum computing architecture

I Seidler, T Struck, R Xue, N Focke… - npj Quantum …, 2022 - nature.com
Small spin-qubit registers defined by single electrons confined in Si/SiGe quantum dots
operate successfully and connecting these would permit scalable quantum computation …

Low disorder and high valley splitting in silicon

D Degli Esposti, LEA Stehouwer, Ö Gül… - npj Quantum …, 2024 - nature.com
The electrical characterisation of classical and quantum devices is a critical step in the
development cycle of heterogeneous material stacks for semiconductor spin qubits. In the …

Shuttling an electron spin through a silicon quantum dot array

AMJ Zwerver, SV Amitonov, SL De Snoo, MT Mądzik… - PRX Quantum, 2023 - APS
Coherent links between qubits separated by tens of micrometers are expected to facilitate
scalable quantum computing architectures for spin qubits in electrically defined quantum …

Mapping of valley splitting by conveyor-mode spin-coherent electron shuttling

M Volmer, T Struck, A Sala, B Chen… - npj Quantum …, 2024 - nature.com
Abstract In Si/SiGe heterostructures, the low-lying excited valley state seriously limits the
operability and scalability of electron spin qubits. For characterizing and understanding the …

Multicore quantum computing

H Jnane, B Undseth, Z Cai, SC Benjamin, B Koczor - Physical Review Applied, 2022 - APS
Any architecture for practical quantum computing must be scalable. An attractive approach is
to create multiple cores, computing regions of fixed size that are well spaced but interlinked …

Classification and magic magnetic field directions for spin-orbit-coupled double quantum dots

A Sen, G Frank, B Kolok, J Danon, A Pályi - Physical Review B, 2023 - APS
The spin of a single electron confined in a semiconductor quantum dot is a natural qubit
candidate. Fundamental building blocks of spin-based quantum computing have been …