Volume 85, Number 5, March 2009
|Number of page(s)||5|
|Published online||20 March 2009|
Cavity grid for scalable quantum computation with superconducting circuits
Department of Physics, CeNS, and ASC, Ludwig-Maximilians-Universität - Theresienstrasse 37, 80333 Munich, Germany, EU
2 Walther-Meißner-Institut, Bayer. Akademie der Wissenschaften - Walther-Meißner-Str. 8, 85748 Garching, Germany, EU
3 Department of Physics, Technische Universität München - James-Franck-Str., 85748 Garching, Germany, EU
4 Institute for Quantum Computing, University of Waterloo - Waterloo, ON, Canada
5 Departamento de Química Física, Universidad del País Vasco - Euskal Herriko Unibertsitatea - 48080 Bilbao, Spain, EU
Corresponding author: Florian.Marquardt@physik.lmu.de
Accepted: 16 February 2009
We propose an architecture for quantum computing based on superconducting circuits, where on-chip planar microwave resonators are arranged in a two-dimensional grid with a qubit at each intersection. This allows any two qubits on the grid to be coupled at a swapping overhead independent of their distance. We demonstrate that this approach encompasses the fundamental elements of a scalable fault-tolerant quantum-computing architecture.
PACS: 03.67.Lx – Quantum computation architectures and implementations / 42.50.Pq – Cavity quantum electrodynamics; micromasers / 85.25.-j – Superconducting devices
© EPLA, 2009
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