One extra quantum dot helps balance speed and stability in spin qubits

October 26, 2026 · 1:40 pm 1 sources

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• One extra quantum dot helps balance speed and stability in spin qubits
  Phys.org · October 26, 2026 13:40
  Quantum computers need qubits that can be controlled both quickly and reliably. Yet making semiconductor spin qubits faster often makes them more sensitive to electrical noise, creating a difficult trade-off.