A noise immunity controlled quantum teleportation protocol

Li, Dongfen; Wang, Ruijin; Zhang, Fengli; Baagyere, Edward Yellakuor; Qin, Zhen; Hu, Xiong; Zhan, Huayi

doi:10.1007/s11128-016-1416-7

Cited by 12 publications

(4 citation statements)

References 30 publications

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“…Step 3: Several CNOT operations are performed on the following qubit pairs (1, 2), (3,4), (5,6), (7,8), (7,9), (10,11), (10,12), (13,14), and (13,15), where qubits 1, 3, 5, 7, 10, and 13 are used as control qubits, and qubits 2, 4, 6, 8, 9, 11, 12, 14, and 15 are target qubits. Afterwards, the quantum channel is reconstructed as follows:…”

Section: A the Construction Of The Quantum Channelmentioning

confidence: 99%

“…Since then, the technique has attracted a great deal of attention from researchers, and various related schemes have been presented [4]- [7]. To improve the capacity and security of quantum communication, many variants of QT schemes were put forward, such as controlled QT (CQT) [8], [9], bidirectional QT (BQT) [10]- [13], and controlled BQT (CBQT) [14], [15].…”

Section: Introductionmentioning

confidence: 99%

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Cyclic Hybrid Double-Channel Quantum Communication via Bell-State and GHZ-State in Noisy Environments

Jiang¹,

Zhou²,

Xu³

et al. 2019

IEEE Access

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In this paper, a scheme for cyclic hybrid double-channel quantum communication is proposed by using the product state of three Bell states and three Greenberger-Horne-Zeilinger (GHZ) states as the quantum channel. It shows that Alice teleports a single-qubit state to Bob and prepares a single-qubit state for Charlie, Bob teleports a single-qubit state to Charlie and prepares a single-qubit state for Alice, while Charlie teleports a single-qubit state to Alice and prepares a single-qubit state for Bob. The quantum channel is constructed by using Hadamard (H) and Controlled-NOT (CNOT) operations. Participants reconstruct the desired states by performing Bell-state measurements, single-qubit measurements, and unitary transformations. Compared with existing schemes, this new scheme improves the efficiency and capacity of quantum communication because it constructs a cyclic and bidirectional quantum communication and simultaneously supports two communication protocols, quantum teleportation and remote state preparation. Only single-qubit measurements, two-qubit measurements, and basic unitary transformations are utilized in the scheme, so our operation complexity is lower than others. Thus, the scheme is likely to be implemented through physical experiments in the future. Besides this, we discuss the impact of noisy environments (amplitude-damping, phase-damping noise, bit-flip noise, and phase-flip noise) in the scheme and calculate the fidelities of the output states. It is demonstrated that the fidelities only depend on the coefficients of the initial state and the decoherence rate. INDEX TERMS Amplitude-damping noise, bell-state measurement, phase-damping noise, quantum teleportation, remote state preparation, single-qubit measurement. RI-GUI ZHOU (M'12) was born on March 2, 1973. He received the B.S. degree from Shandong University, China, in 1997, the M.S. degree from the

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Section: A the Construction Of The Quantum Channelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Cyclic Hybrid Double-Channel Quantum Communication via Bell-State and GHZ-State in Noisy Environments

Jiang¹,

Zhou²,

Xu³

et al. 2019

IEEE Access

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“…For a multipartite quantum system, the quantum entanglement which is strongly dependent on the coherence, decoherence will lead to entanglement degradation or even entanglement sudden death [20,21]. In order to overcome the influence of decoherence on quantum states, in addition to controlling the initial conditions [22], the common strategies consist of dynamical decoupling method [23][24][25], feedback control method [26][27][28], decoherence-free subspaces [29][30][31], Zeno dynamics effect [32,33], error correcting codes [34][35][36], weak measurement and quantum measurement reversal [37][38][39][40][41][42], and so on. In general, these schemes effectively protect the quantum system, minimize decoherence, and also help to improve the efficiency of quantum teleportation [31,39,40,42].…”

Section: Introductionmentioning

confidence: 99%

Enhancing teleportation of a single-qubit state by the unitary transformation in arbitrary decoherence rate

Chen¹,

Xu²,

Yu³

et al. 2021

Phys. Scr.

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The proposal of the quantum teleportation(QT) is to transfer an unknown quantum state from one place to another through local operations and classical communication. However, the efficiency of standard QT will be significantly reduced due to the influence of the inevitable noise in environments. In this work, we propose two schemes to improve the efficiency of the QT protocol when quantum channel is subjected to bit-flip or phase-flip noise. We find that the so-called more entanglement means low efficiency in the performance of the standard teleportation protocol, and the optimal fidelity is obtained only by using the appropriate unitary operation. Specially, we show that the optimal averaged fidelity to our schemes is always more than the best classically achievable fidelity 2/3. We also provide a physical explanation of the obtained conclusions and our results will be helpful for improving quantum communication with real implementation.

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“…In 2015, Fortes et al [Fortes andRigolin (2015)] studied the effects of four common channel noises on quantum teleportation and found that additional quantum noise or smaller entanglement can lead to higher efficiency. In 2016, Li et al [Li, Wang, Zhang et al (2016)] proposed to reduce the influence of quantum noise on quantum teleportation by constructing decoherence-free subspace under different noise conditions. In 2017, Wang et al [Wang, Qu, Wang et al (2017); Wang and Qu (2016)] studied the effect of quantum noise on the deterministic joint remote preparation of arbitrary two qubit states using GHZ as a quantum channel.…”

Section: Introductionmentioning

confidence: 99%

A Novel Method to against Quantum Noises in Quantum Teleportation

Wu¹,

Liu²,

Qu³

2020

Journal of Quantum Computing

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In order to improve the anti-noise performance of quantum teleportation, this paper proposes a novel dynamic quantum anti-noise scheme based on the quantum teleportation which transmits single qubit state using Bell state. Considering that quantum noise only acts on the transmitted qubit, i.e., the entangled state that Alice and Bob share in advance is affected by the noise, thus affecting the final transmission result. In this paper, a method for dynamically adjusting the shared entangled state according to the noise environment is proposed. By calculating the maximum fidelity of the output state to determine the shared entangled state, which makes the quantum teleportation be affected by the noise as little as possible. This paper calculates the fidelity of teleportation under four kinds of channel noise (amplitude damping, phase damping, bit flip and depolarizing noise). The results show that the scheme has a suppression effect on phase damping, bit flip and depolarizing noise under certain conditions. When the noise intensity is larger, the optimized efficiency is better.

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A noise immunity controlled quantum teleportation protocol

Cited by 12 publications

References 30 publications

Cyclic Hybrid Double-Channel Quantum Communication via Bell-State and GHZ-State in Noisy Environments

Cyclic Hybrid Double-Channel Quantum Communication via Bell-State and GHZ-State in Noisy Environments

Enhancing teleportation of a single-qubit state by the unitary transformation in arbitrary decoherence rate

A Novel Method to against Quantum Noises in Quantum Teleportation

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