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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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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.

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Optimized cavity-mediated dispersive two-qubit gates between spin qubits

Performance of single-electron spin qubits in DQDs with respect to dispersive long-distance two-qubit gates mediated by virtual cavity photons.

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A coherent spin–photon interface in silicon

First demonstration of strong coupling between a single spin in silicon and a single microwave-frequency photon.

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Input-output theory for spin-photon coupling in Si double quantum dots

The recent advances in Si DQDs fabrication and control, a spin-photon coupling of more than 10 MHz with a sufficiently low spin decoherence rate is achievable, potentially allowing the strong-coupling regime and paving the way towards a spin-based quantum processor with full connectivity.

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Dissipative Long-Range Entanglement Generation between Electronic Spins

Proposal for deterministic generation and long-term stabilization of entanglement between two electronic spin qubits confined in spatially separated quantum dots.