Quantum Teleportation of a Two Qubit State Using GHZ-Like State

Nandi, Kaushik; Mazumdar, Chandan

doi:10.1007/s10773-013-1928-1

Cited by 65 publications

(16 citation statements)

References 11 publications

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“…On top of that, there are proposals to employ teleportation in quantum repeaters to enhance the feasibility of quantum communication, and in ensuring security against an eavesdropper's attempt to encroach the private spaces of legitimate users devising trojan-horse attack [16]. This wide applicability of QT and its variants and the fact that quantum resources are costly (for example, preparation and maintenance of an n-qubit entangled state is extremely difficult for large n) have motivated us to investigate whether the recently proposed schemes [11,[17][18][19][20][21][22][23][24][25][26][27][28][29] are using an optimal amount of quantum resources? If not, how to reduce the amount of quantum resources to be used?…”

Section: Introductionmentioning

confidence: 99%

Design and experimental realization of an optimal scheme for teleportation of an n-qubit quantum state

Sisodia

Shukla

Thapliyal

et al. 2017

Quantum Inf Process

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An explicit scheme (quantum circuit) is designed for the teleportation of an n-qubit quantum state. It is established that the proposed scheme requires an optimal amount of quantum resources, whereas larger amount of quantum resources has been used in a large number of recently reported teleportation schemes for the quantum states which can be viewed as special cases of the general n-qubit state considered here. A trade off between our knowledge about the quantum state to be teleported and the amount of quantum resources required for the same is observed. A proof of principle experimental realization of the proposed scheme (for a 2-qubit state) is also performed using 5-qubit superconductivity-based IBM quantum computer. Experimental results show that the state has been teleported with high fidelity. Relevance of the proposed teleportation scheme has also been discussed in the context of controlled, bidirectional, and bidirectional-controlled state teleportation.

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Section: Introductionmentioning

confidence: 99%

Design and experimental realization of an optimal scheme for teleportation of an n-qubit quantum state

Sisodia

Shukla

Thapliyal

et al. 2017

Quantum Inf Process

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“…Since the original QT protocol was proposed by Bennett et al [1] in 1993. Implementation of quantum teleportation has been experimentally presented in some of works [2]- [6] in various quantum systems such as the cavity QED system, ion-trap system, optical and photonic systems, many theoretical and experimental QT protocols have been presented so far [7]- [16].…”

Section: Introductionmentioning

confidence: 99%

Asymmetric Bidirectional Controlled Teleportation by Using Nine-Qubit Entangled State in Noisy Environment

Zhou¹,

Zhang²,

Xu³

et al. 2019

IEEE Access

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In this paper, a novel protocol for asymmetric bidirectional controlled quantum teleportation (ABCQT) by using the nine-qubit entangled state as a quantum channel is proposed. Alice transmits an arbitrary three-qubit entangled state to Bob and at the same time, Bob transmits an arbitrary single-qubit entangled state to Alice under the permission of a third party as a controller. This protocol is based on the Hadamard (H) gates, controlled-not (CNOT) operations, appropriate unitary operations, and single-qubit Von Neumann measurements (SM) which are more efficient than multi-qubit joint measurements (JM). This scheme explicitly shows how the channel of nine-qubit entangled state prepares, and it is discussed in six types of noisy scenarios (amplitude-damping, phase-damping, bit-flip, phase-flip, bit-phase-flip, and depolarizing noisy scenarios). Then, we analytically derive the fidelities of the ABCQT process and show that they only depend on the amplitude parameter of the initial state and the decoherence noisy rate. Finally, compared with previous schemes, this scheme also shows remarkable advantages.

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“…Origi nally the quantum teleportation was presented by Bennett et al [1] for arbitrary single qubit quantum states by using a maximally entangled Bell state. After that several theoretical and experimental aspects of different teleportation protocols with various types of quantum resources appeared in the literature, some of which are noted in [2][3][4][5][6][7][8][9][10][11][12][13][14][15]. We describe some of the works below.…”

Section: Introductionmentioning

confidence: 99%

“…In 2010, Tsai et al [11] presented a teleportation of a pure EPR state using GHZ like state. In 2013, Nandi and Mazumdar [12] presented a teleportation protocol of a more general two qubit state using the GHZ like state as quantum channel. In 2014, Zhu [13] presented a quantum teleportation of an arbitrary two qubit state via maximally entangled GHZ like states.…”

Section: Introductionmentioning

confidence: 99%

A probabilistic quantum communication protocol using mixed entangled channel

Choudhury

Dhara²

2016

Phys. Part. Nuclei Lett.

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Qubits are realized as polarization state of photons or as superpositions of the spin states of elec trons. In this paper we propose a scheme to probabilistically teleport an unknown arbitrary two qubit state using a non maximally entangled GHZ like state and a non maximally Bell state simultaneously as quantum channels. We also discuss the success probability of our scheme. We perform POVM in the protocol which is operationally advantageous. In our scheme we show that the non maximal quantum resources perform better than maximal resources.

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Quantum Teleportation of a Two Qubit State Using GHZ-Like State

Cited by 65 publications

References 11 publications

Design and experimental realization of an optimal scheme for teleportation of an n-qubit quantum state

Design and experimental realization of an optimal scheme for teleportation of an n-qubit quantum state

Asymmetric Bidirectional Controlled Teleportation by Using Nine-Qubit Entangled State in Noisy Environment

A probabilistic quantum communication protocol using mixed entangled channel

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