Long-range coupling and scalable architecture for superconducting flux qubits

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dc.creatorFowler, Austin G.
dc.creatorThompson, William F.
dc.creatorYan, Zhizhong
dc.creatorStephens, Ashley M.
dc.creatorPlourde, B. L. T.
dc.creatorWilhelm, Frank K.
dc.date2007-02-26
dc.date2007-04-21
dc.date.accessioned2026-07-07T08:50:09Z
dc.date.available2026-07-07T08:50:09Z
dc.descriptionConstructing a fault-tolerant quantum computer is a daunting task. Given any design, it is possible to determine the maximum error rate of each type of component that can be tolerated while still permitting arbitrarily large-scale quantum computation. It is an underappreciated fact that including an appropriately designed mechanism enabling long-range qubit coupling or transport substantially increases the maximum tolerable error rates of all components. With this thought in mind, we take the superconducting flux qubit coupling mechanism described in PRB 70, 140501 (2004) and extend it to allow approximately 500 MHz coupling of square flux qubits, 50 um a side, at a distance of up to several mm. This mechanism is then used as the basis of two scalable architectures for flux qubits taking into account crosstalk and fault-tolerant considerations such as permitting a universal set of logical gates, parallelism, measurement and initialization, and data mobility.
dc.description8 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0702620
dc.identifierhttp://arxiv.org/abs/cond-mat/0702620
dc.identifierPRB 76, 174507 (2007)
dc.identifierdoi:10.1103/PhysRevB.76.174507
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/144513
dc.subjectSuperconductivity
dc.subjectQuantum Physics
dc.titleLong-range coupling and scalable architecture for superconducting flux qubits
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