Experimental quantum conference key agreement
Massimiliano Proietti, Joseph Ho, Federico Grasselli, Peter Barrow, Mehul Malik, Alessandro Fedrizzi
Abstract
bits of secure key, which are used to encrypt and securely share an image between four users in a conference transmission. Our work highlights a previously unexplored protocol tailored for multinode networks leveraging low-noise, long-distance transmission of GHZ states that will pave the way for future multiparty quantum information processing applications.
Topics & Concepts
Computer scienceQuantum cryptographyQuantum entanglementQuantum key distributionMultipartiteQuantum networkProtocol (science)Key (lock)Quantum information scienceQuantumEncryptionCryptographyComputer networkTheoretical computer scienceQuantum informationTransmission (telecommunications)Quantum channelEavesdroppingQuantum computerTopology (electrical circuits)Communications protocolQuantum technologyDistributed computingMultipartite entanglementSecure transmissionQuantum teleportationQuantum sensorSecure communicationPublic-key cryptographyTelecommunications networkQuantum Information and CryptographyQuantum Mechanics and ApplicationsAdvanced Statistical Modeling Techniques