Driven optomechanical systems for mechanical entanglement distribution

Abstract

We consider the distribution of entanglement from a multi-mode optical driving source to a network of remote and independent optomechanical systems. By focusing on the tripartite case, we analyse the effects that the features of the optical input states have on the degree and sharing-structure of the distributed, fully mechanical, entanglement. This study, which is conducted looking at the mechanical steady-state, highlights the structure of the entanglement distributed among the nodes and determines the relative efficiency between bipartite and tripartite entanglement transfer. We discuss a few open points, some of which directed towards the bypassing of such limitations.

16 pages, 5 figures; accepted for publication in J. Phys. B, Special Issue on "Loss of coherence and memory effects in quantum dynamics", guest Eds. F. Benatti, R. Floreanini, and G. Scholes

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• Bounding quantum gravity inspired decoherence using atom interferometry
• Transferring entanglement to the steady-state of flying qubits