Controlled-NOT logic with nonresonant Josephson phase qubits

Details Controlled-NOT logic with nonresonant Josephson phase qubits Controlled-NOT logic with nonresonant Josephson phase qubits

2008-12-30

arxiv.org/abs/0901.0001v1

Physics

Quantum Physics

7 pages, 4 figures

Scientific paper

We establish theoretical bounds on qubit detuning for high fidelity
controlled-NOT logic gate implementations with weakly coupled Josephson phase
qubits. It is found that the value of qubit detuning during the entangling
pulses must not exceed 2g for two-step, and g for single-step control
sequences, where g is the relevant coupling constant.

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