Cavity grid for scalable quantum computation with superconducting circuits

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Published 20 March 2009 • Europhysics Letters Association
, , Citation F. Helmer et al 2009 EPL 85 50007 DOI 10.1209/0295-5075/85/50007

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Author affiliations

1 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

Dates

  1. Received 4 December 2008
  2. Accepted 16 February 2009
  3. Published
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0295-5075/85/5/50007

Abstract

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.

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