Author

Andreas Fuhrer

IBM Research

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Preprint Aug 2026

Engineering two-qubit gates via anisotropic exchange in germanium spin qubits

Germanium hole spin qubits are a promising and versatile platform for quantum computation and simulation. In this system, strong spin-orbit interaction (SOI) renders the single-qubit $g$-tensor anisotropic and electrically tunable, enabling operational sweet spots with reduced noise sensitivity. SOI also transforms the...

L. Massai, Bence Het'enyi, E. G. Kelly et al. · 2 citations

Open access Sep 2026

Identification and mitigation of errors in hole spin qubit readout

High-fidelity readout of spin qubits in semiconductor quantum dots can be achieved by combining a radiofrequency charge sensor with spin-to-charge conversion and Pauli spin blockade. However, reaching high readout fidelities with hole spin qubits remains challenging due to site-dependent spin anisotropies and short...

E. G. Kelly, L. Massai, Bence Het'enyi et al. · Nature Electronics · 0 citations