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Trapped-ion entangling gates robust against qubit frequency errors
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DOI：10.1103/PhysRevResearch.2.033117.png)
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Abstract
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Entangling operations are a necessary tool for large-scale quantum information processing, but experimental imperfections can prevent current schemes from reaching sufficient fidelities as the number of qubits is increased. Here it is shown numerically how multitoned generalizations of standard trapped-ion entangling gates can simultaneously be made robust against noise and mis-sets of the frequencies of the individual qubits. This relaxes the degree of homogeneity required in the trapping field, making physically larger systems more practical.
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QUANTUM COMPUTATION
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