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Resource Handling for Quantum Networks of Arbitrary Topology

Rodney Van Meter, Keio University

(Session 8 : Saturday from 3:30-4:00)

Abstract. To date, research on entangled quantum networks has primarily focused on an abstract model consisting of a linear chain of repeaters, with a power of two number of hops of identical length and quality. We are analyzing the behavior of more complex network topologies, with more than two end nodes competing to communicate across shared links. We compare three resource management disciplines, hop-by-hop teleportation, nested entanglement swapping, and graph state-based bipartite communication. We discuss quantum equivalents to the classical network concepts of spatially and temporally multiplexed circuit switching, and packet switching. We show cases in which multiplexing raises the aggregate communication rate, and cases in which graph states help the system reach the bisection bandwidth.