Resonator/zero-Qubit architecture for superconducting qubits

Details Resonator/zero-Qubit architecture for superconducting qubits Resonator/zero-Qubit architecture for superconducting qubits

2011-05-19

arxiv.org/abs/1105.3997v2

Physics

Quantum Physics

11 pages, 5 figures

Scientific paper

We analyze the performance of the Resonator/zero-Qubit (RezQu) architecture in which the qubits are complemented with memory resonators and coupled via a resonator bus. Separating the stored information from the rest of the processing circuit by at least two coupling steps and the zero qubit state results in a significant increase of the ON/OFF ratio and the reduction of the idling error. Assuming no decoherence, we calculate such idling error, as well as the errors for the MOVE operation and tunneling measurement, and show that the RezQu architecture can provide high fidelity performance required for medium-scale quantum information processing.

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