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Paper detail

Optimized design of universal two-qubit gates

We construct optimized implementations of the CNOT and other universal two-qubit gates that, unlike many of the previously proposed protocols, are carried out in a single step. The new protocols require tunable inter-qubit couplings but, in return, show a significant improvements in the quality of gate operations. Our optimization procedure can be further extended to the combinations of elementary two-qubit as well as irreducible many-qubit gates.

preprint2004arXivOpen access
I. A. GrigorenkoD. V. Khveshchenko
cond-mat.mes-hallquant-ph
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I. A. GrigorenkoD. V. Khveshchenko

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