Review

Superconducting Circuits for Quantum Information: An Outlook

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Science  08 Mar 2013:
Vol. 339, Issue 6124, pp. 1169-1174
DOI: 10.1126/science.1231930

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Abstract

The performance of superconducting qubits has improved by several orders of magnitude in the past decade. These circuits benefit from the robustness of superconductivity and the Josephson effect, and at present they have not encountered any hard physical limits. However, building an error-corrected information processor with many such qubits will require solving specific architecture problems that constitute a new field of research. For the first time, physicists will have to master quantum error correction to design and operate complex active systems that are dissipative in nature, yet remain coherent indefinitely. We offer a view on some directions for the field and speculate on its future.

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