Interconnection Networks for Scalable Quantum Computers
Isailovic, N.
Patel, Y.
Whitney, M.
Kubiatowicz, J.
Comput. Sci. Div., California Univ., Berkeley, CA;
This paper appears in: Computer Architecture, 2006. ISCA '06. 33rd International Symposium on
Publication Date: 0-0 0
On page(s): 366-377
Location: Boston, MA,
ISSN: 1063-6897
ISBN: 0-7695-2608-X
INSPEC Accession Number: 9165230
Digital Object Identifier: 10.1109/ISCA.2006.24
Current Version Published: 2006-07-10
Abstract
We show that the problem of communication in a quantum computer reduces to constructing reliable quantum channels by distributing high-fidelity EPR pairs. We develop analytical models of the latency, bandwidth, error rate and resource utilization of such channels, and show that 100s of qubits must be distributed to accommodate a single data communication. Next, we show that a grid of teleportation nodes forms a good substrate on which to distribute EPR pairs. We also explore the control requirements for such a network. Finally, we propose a specific routing architecture and simulate the quantum Fourier transform to demonstrate the impact of resource contention
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