Scalable architecture for a room temperature solid-state quantum information processor

N.Y. Yao (), L. Jiang, A.V. Gorshkov, P.C. Maurer, G. Giedke, J.I. Cirac and M.D. Lukin
Additional contact information
N.Y. Yao: Harvard University
L. Jiang: Institute for Quantum Information, California Institute of Technology
A.V. Gorshkov: Harvard University
P.C. Maurer: Harvard University
G. Giedke: Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1
J.I. Cirac: Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1
M.D. Lukin: Harvard University

Nature Communications, 2012, vol. 3, issue 1, 1-8

Abstract: Abstract The realization of a scalable quantum information processor has emerged over the past decade as one of the central challenges at the interface of fundamental science and engineering. Here we propose and analyse an architecture for a scalable, solid-state quantum information processor capable of operating at room temperature. Our approach is based on recent experimental advances involving nitrogen-vacancy colour centres in diamond. In particular, we demonstrate that the multiple challenges associated with operation at ambient temperature, individual addressing at the nanoscale, strong qubit coupling, robustness against disorder and low decoherence rates can be simultaneously achieved under realistic, experimentally relevant conditions. The architecture uses a novel approach to quantum information transfer and includes a hierarchy of control at successive length scales. Moreover, it alleviates the stringent constraints currently limiting the realization of scalable quantum processors and will provide fundamental insights into the physics of non-equilibrium many-body quantum systems.

Date: 2012
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DOI: 10.1038/ncomms1788

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