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IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)

A Quantum TITO Diversity Transmission Scheme with Quantum Teleportation of Non-maximally Entangled Bell State

Jinjing Shi, Ronghua Shi, Ying Guo, Moon Ho Lee

Published Jun 1, 2012• 0 citations
Publisher

Abstract

A quantum TITO (Two-Input-Two-Output) diversity transmission scheme for the entangled-state message is proposed by generalizing the wireless transmission technique to the quantum field. The TITO quantum teleportation can be implemented with non-maximally entangled Bell states in order to enhance the security and fidelity of the quantum channel, in which a quantum signal sequence with n entangled quantum states can be transmitted through the TITO quantum channel by applying the diversity technology. The analysis shows that the quantum TITO transmission can be achieved securely and with an expected fidelity.

DOI
10.1109/trustcom.2012.1

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A quantum TITO (Two-Input-Two-Output) diversity transmission scheme for the entangled-state message is proposed by generalizing the wireless transmission technique to the quantum field. The TITO quantum teleportation can be implemented with non-maximally entangled Bell states in order to enhance the security and fidelity of the quantum channel, in which a quantum signal sequence with n entangled quantum states can be transmitted through the TITO quantum channel by applying the diversity technology. The analysis shows that the quantum TITO transmission can be achieved securely and with an expected fidelity.
A quantum TITO (Two-Input-Two-Output) diversity transmission scheme for the entangled-state message is proposed by generalizing the wireless transmission technique to the quantum field. The TITO quantum teleportation can be implemented with Bell states in order to enhance the capacity and fidelity of the quantum channel, in which a quantum signal sequence with η entangled quantum states can be transmitted through the TITO quantum channel by applying the diversity technology. The fidelity analysis demonstrates that the quantum TITO teleportation can be performed with an expected fidelity.
Quantum teleportation aims to transfer an unknown quantum state between two remote parties who share an entangled pair in advance. We propose a quantum teleportation scheme for realizing d-dimensional point-to-point quantum teleportation without information loss based on non-maximally entangled Bell pairs. Compared with generalized probabilistic teleportation scheme, our scheme offers the chance to preserve the unknown quantum state if teleportation fails. In addition, our nondestructive teleportation scheme can reduce the communication delay on account of the fact that the information transmission and channel modulation can be performed simultaneously.
Quantum teleportation, a cornerstone of quantum information science, enables the transfer of an unknown quantum state from one location to another without physically moving the particle itself. Its fidelity is paramount for practical applications in quantum computing and secure communication. A fundamental principle underpinning quantum mechanics is the no-cloning theorem, which prohibits the creation of an identical copy of an arbitrary unknown quantum state. This paper proposes and theoretically investigates a novel protocol for enhancing the fidelity of quantum teleportation by incorporating Bell-certified unclonability. By leveraging the strong correlations inherent in maximally entangled Bell states, our scheme introduces a mechanism to verify that the quantum state being teleported has not been illicitly copied prior to or during the teleportation process. This certification is achieved through local measurements and Bell tests, which confirm the integrity of the entangled channel and, by extension, the unclonability of the transmitted state. We analyze the theoretical underpinnings of this Bell-certification, its impact on the average fidelity of teleported states, and its robustness against various noise models. Our findings demonstrate that integrating unclonability certification through Bell tests significantly bolsters the security and reliability of quantum teleportation, offering a pathway towards truly high-fidelity and secure quantum information transfer in realistic noisy environments.
Inspired by the structure of the network coding over the butterfly network, a framework of quantum network coding scheme is investigated, which transmits two unknown quantum states crossly over the butterfly quantum system with the multi-photon non-maximally entangled GHZ states. In this scheme, it contains certain number of entanglement-qubit source nodes that teleport unknown quantum states to other nodes on the small-scale network where each intermediate node can pass on its received quantum states to others via superdense coding. In order to transmit the unknown states in a deterministic way, the controlled quantum teleportation is adopted on the intermediate node. It makes legal nodes more convenient than any other previous teleportation schemes to transmit unknown quantum states to unknown participants in applications. It shows that the intrinsic efficiency of transmissions approaches 100% in principle. This scheme is secure based on the securely-shared quantum channels between all nodes and the quantum mechanical impossibility of local unitary transformations between non-maximally entangled GHZ states. Moreover, the generalized scheme is proposed for transmitting two multipartite entangled states. DOI:  http://dx.doi.org/10.11591/telkomnika.v11i2.2031
A scheme of two-way teleportation is proposed,with Bell entangled state as Quantum Channel(QC).Firstly,two sides of communication(Alice and Bob),share two EPR entangled states.After communication,Alice and Bob perform Bell-state joint measurements to their own qubits respectively,and announce the measured results via Classical Channel(CC).Then according to the measured results,Alice and Bob make relevant unitary transformations,namely,its own party can reproduce the opposite quantum state information,and thus the two-way teleportation is realized.In order to enhance the security of two-way teleportation,and the analysis result indicates that the system′s security will strengthen with the increase of the control particles,but the security will not strengthen when the control particles increase to a certain number.