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Quantum Information Processing

A layered quantum communication path protocol cross multiple participants based on entanglement swapping

Zhenlong Du, Xiaoli Li

Published May 30, 2019• 5 citations
Publisher
DOI
10.1007/s11128-019-2336-0

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Abstract Quantum secret sharing (QSS) is a multi-party quantum communication mode, which allows the dealer to split a key into several parts and send each part of a key to a participant. The participants can obtain the key only by cooperation. Entanglement swapping is a promising method to construct the entanglement channel. In the paper, we propose a multiple-participant measurement-device-independent QSS protocol based on entanglement swapping. All the measurement tasks are handed over to an untrusted measurement party, so that our protocol can resist all possible attacks from imperfect measurement devices. Our protocol requires the linear-optical Bell state analysis, which is easy to operate. Our protocol has application potential in the future quantum communication field.
This paper proposed a verifiable quantum secret sharing protocol based on entanglement swapping.The dealer communicated with the participants one by one.He chose the detection pattern or information pattern by uniform distribution,until he could make sure the information to the participant was safe,and then communicated with the next participant.It could prevent not only the external eavesdropping but also the internal cheating,and guaranteed the correction and security of information shared for verifying.
An efficient information-theoretically secure protocol is proposed. It is built for the anonymous transmission of quantum information. In our proposed scheme, a photon of hybrid entangled pairs is travelling through the participants. After operations performed by the participants, anonymous entanglement transmission channels are generated between the sender and receiver by hybrid entanglement swapping. Our protocol achieves both sender anonymity and receiver anonymity against an active adversary and tolerates any number of corrupt participants. Furthermore, we demonstrate that our protocol has great capacity to teleportate quantum message with fewer resources.