Parallel State Transfer and Efficient Quantum Routing on Quantum Networks

Details Parallel State Transfer and Efficient Quantum Routing on Quantum Networks Parallel State Transfer and Efficient Quantum Routing on Quantum Networks

2010-08-10

arxiv.org/abs/1008.1806v1

Physics

Quantum Physics

5 pages, 3 figures

Scientific paper

We study the routing of quantum information in parallel on multi-dimensional networks of tunable qubits and oscillators. These theoretical models are inspired by recent experiments in superconducting circuits using Josephson junctions and resonators. We show that perfect parallel state transfer is possible for certain networks of harmonic oscillator modes. We further extend this to the distribution of entanglement between every pair of nodes in the network, finding that the routing efficiency of hypercube networks is both optimal and robust in the presence of dissipation and finite bandwidth.

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