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Oxford reports a trapped-ion two-qubit gate with 99.9% fidelity

Jun 20, 2014

Christopher Ballance and colleagues report a two-qubit phase gate in calcium-ion qubits with 99.9% fidelity at a gate time of 100 microseconds. Faster gates trade some accuracy for speed.

Why it matters

Accurate entangling gates reduce one of the main sources of errors in quantum processors and improve the prospects for error correction.

Christopher Ballance · Thomas Harty · David Lucas · Oxford

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Related

• NIST team demonstrates a quantum logic gate with a single trapped ion (Dec 18, 1995)