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Quantum secret sharing with qudit graph states

Ben Fortescue, Institute for Quantum Information Science, University of Calgary

(Session 10 : Saturday from 5:00-5:30)

Abstract. We present a formalism for quantum secret sharing using graph states of systems with prime dimension. As we show, such states allow for a unified structure for the sharing of classical and quantum secrets over both classical and quantum channels. We give explicit protocols for three varieties of threshold secret sharing within this formalism. Joint work with Adrian Keet and Barry C. Sanders.