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An electron bus for nuclear spin entanglement

Our article has been published in Physical Review Applied and highlighted as Editors’ Suggestion.

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Publications

Hole-spin qubits in Ge nanowire quantum dots: Interplay of orbital magnetic field, strain, and growth direction

Hole-spin qubits in quasi-one-dimensional structures are a promising platform for quantum information processing because of the strong spin-orbit interaction (SOI). We present analytical results and discuss device designs that optimize the SOI in Ge semiconductors.

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Open positions

In September 2021 I am joining the Institute of Quantum Technologies of the German Aerospace Center (DLR) in Ulm, Germany, and I am inviting motivated scientists to join our group to work on Quantum information theory based on solid state spin qubits.
We have two PhD positions and one postdoc position.

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Publications

Squeezed hole spin qubits in Ge quantum dots with ultrafast gates at low power

We propose a minimal design modification of Ge planar quantum dot devices that enhances the spin-orbit interaction by orders of magnitude and enables low power ultrafast hole-spin qubit operations.

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Entangling nuclear spins in distant quantum dots via an electron bus

Protocol for the deterministic generation of entanglement between two ensembles of nuclear spins surrounding two distant quantum dots.

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QSIT INSPIRE Postdoc Award

I was awarded the INSPIRE award for postdocs launched by the National Center of Competence in Research Quantum Science and Technology.

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Publications

Programmable two-qubit gates in capacitively coupled flopping-mode spin qubits

Versatile set of quantum gates between qubits of a spin quantum computer node.

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Hybrid superconductor-semiconductor systems for quantum technology

Perspectives article in Applied Physics Letters special topic Hybrid Quantum Devices. We summarize recent progress and theoretical models that describe superconducting-semiconducting hybrid quantum systems, explain the limitations of these systems, and describe different directions where future experiments and theory are headed.

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Flopping-mode electric dipole spin resonance

The flopping-mode configuration enables low-power spin control in quantum dot arrays.

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Electric-field control and noise protection of the flopping-mode spin qubit

The flopping-mode spin qubit can be efficiently controlled and protected from charge fluctuations.