Secure direct communication using Einstein-Podolsky-Rosen pairs and teleportation

Abstract

A novel scheme for secure direct communication between Alice and Bob is proposed, where there is no need for establishing a shared secret key. The communication is based on Einstein-Podolsky-Rosen pairs and teleportation between Alice and Bob. After insuring the security of the quantum channel (EPR pairs), Bob encodes the secret message directly on a sequence of particle states and transmits them to Alice by teleportation. In this scheme teleportation transmits Bob's message without revealing any information to a potential eavesdropper. Alice can read out the encoded messages directly by the measurement on her qubits. Because there is not a transmission of the qubit which carry the secret message between Alice and Bob, it is completely secure for direct secret communication if perfect quantum channel is used.

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• Multiparty quantum secret sharing with pure entangled states and decoy photons
• A Simultaneous Quantum Secure Direct Communication Scheme between the Central Party and Other M Parties
• Detection of genuinely entangled and non-separable $n$-partite quantum states
• Efficient $k$-separability criteria for mixed multipartite quantum states
• A General Method for Selecting Quantum Channel for Bidirectional Controlled State Teleportation and Other Schemes of Controlled Quantum Communication
• Quantum secret sharing protocol between multiparty and multiparty with single photons and unitary transformations
• A Simplified Hierarchical Dynamic Quantum Secret Sharing Protocol with Added Features
• A comparative study of protocols for secure quantum communication under noisy environment: single-qubit-based protocols versus entangled-state-based protocols
• Separability criteria for several classes of $n$-partite quantum states
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• Measures of imaginarity and quantum state order
• General individual attack on the ping-pong protocol with completely entangled pairs of qutrits
• Which verification qubits perform best for secure communication in noisy channel?
• Multiparty Quantum Secret Report
• Eavesdropping on the "Ping-Pong" Quantum Communication Protocol Freely in a Noise Channel
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• Efficient protocols for unidirectional and bidirectional controlled deterministic secure quantum communication: Different alternative approaches
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• Beyond the Goldenberg-Vaidman protocol: Secure and efficient quantum communication using arbitrary, orthogonal, multi-particle quantum states
• Separability criteria via sets of mutually unbiased measurements
• Three-party simultaneous quantum secure direct communication scheme with EPR pairs
• Parameterized multipartite entanglement measures
• Quantum Conference
• Two Efficient Measurement Device Independent Quantum Dialogue Protocols
• Does acceleration always degrade quantum entanglement for tetrapartite Unruh-DeWitt detectors?
• Teleporting a quantum state in a subset of the whole Hilbert space
• Efficient scheme for three-photon Greenberger-Horne-Zeilinger state generation
• Quantum e-commerce: A comparative study of possible protocols for online shopping and other tasks related to e-commerce
• Secure Quantum Communication with Orthogonal States
• Quantum secure direct communication without using perfect quantum channel
• Realization of Quantum State Privacy Amplification in a Nuclear Magnetic Resonance Quantum System
• Symmetric Bidirectional Quantum Teleportation using a Six-Qubit Cluster State as a Quantum Channel
• Analysis and improvement of Tian-Zhang-Li voting protocol based on controlled quantum teleportation
• Entanglement hierarchies in multipartite scenarios
• Quantifying multipartite quantum states by ($k+1$)-partite entanglement measures
• Design and Analysis of Communication Protocols using Quantum Resources
• Methods of constructing superposition measures
• Generalized Controlled Quantum Secure Communication using GHZ-like state
• Efficient Deterministic Secure Quantum Communication protocols using multipartite entangled states
• Towards secure communication using intra-particle entanglement