Coherent and ultra-low-power EDSR with a flopping-mode spin qubit in germanium

arXiv:2609.20775 · cond-mat.mes-hall, quant-ph · Submitted 2026-09-17 · Read on arXiv

cond-mat.mes-hall, quant-ph

Submitted: 2026-09-17

Updated: 2026-09-17

Terminology

• Fidelity — 25× in this paper · explained in 2 episodes
• Trace — 12× in this paper · explained in 2 episodes
• Benchmarking — 11× in this paper · explained in 3 episodes
• Calibration — 7× in this paper · explained in 7 episodes
• Decoupling — 5× in this paper · explained in 2 episodes
• Anisotropy — 3× in this paper · explained in 3 episodes
• Effective Hamiltonian — 3× in this paper · explained in 2 episodes
• Frequency Dependence — 3× in this paper · explained in 2 episodes
• Quantization — 2× in this paper · explained in 12 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Hysteresis — 1× in this paper · explained in 3 episodes
• QD Loss-DiVincenzo — 1× in this paper
• Quantum Circuits — 1× in this paper · explained in 2 episodes

Sources

• Simultaneous operation of an 18-qubit modular array in germanium
• Distributing entanglement between distant semiconductor qubit registers using a shared-control shuttling link
• Identifying and mitigating errors in hole spin qubit readout
• Spin qubit operations by conveyor-mode shuttling
• A Degenerate Singlet-Triplet Qubit with All-Electrical Orthogonal Control
• Microscopic modeling of flopping-mode quantum dot spin qubits
• Resonant two-qubit gates for fermionic simulations with spin qubits
• Spatial uniformity of g-tensor and spin-orbit interaction in germanium hole spin qubits
• In-situ control of hole-spin driving mechanisms
• High-Fidelity Hole Spin Qubits Reveal Quadrupolar Nuclear-Bath Dynamics in Isotopically Purified Planar Germanium
• Sweet-spot protection of hole spins in sparse arrays via spin-dependent magnetotunneling

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