Self-error-rejecting photonic qubit transmission in polarization-spatial modes with linear optical elements

Jiang, Yu-Xiao; Guo, Peng‐Liang; Gao, Cheng‐Yan; Wang, Haibo; Alzahrani, Faris; Hobiny, Aatef; Deng, Fu‐Guo

doi:10.1007/s11433-017-9091-0

Cited by 19 publications

(8 citation statements)

References 98 publications

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“…Hence, our protocol is feasible under the current technologies and it can be implemented in realistic devices. Certainly, in a practical application of this QKA protocol with a noisy environment, some useful methods should be exploited to depress the influence of noise, such as decoherence-free subspace [59,60,61,62], self-error-rejecting transmission [63,64,65,66], error correction with ancillary qubits [67], entanglement purification [68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83], and entanglement concentration [84,85,86,87,88,89,90,91,92].…”

Section: Discussion and Summarymentioning

confidence: 99%

High-Efficiency Three-Party Quantum Key Agreement Protocol with Quantum Dense Coding and Bell States

Wang

Zhang

et al. 2019

Int J Theor Phys

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We propose a high-efficiency three-party quantum key agreement protocol, by utilizing two-photon polarization-entangled Bell states and a few single-photon polarization states as the information carriers, and we use the quantum dense coding method to improve its efficiency. In this protocol, each participant performs one of four unitary operations to encode their sub-secret key on the passing photons which contain two parts, the first quantum qubits of Bell states and a small number of single-photon states. At the end of this protocol, based on very little information announced by other, all participants involved can deduce the same final shared key simultaneously. We analyze the security and the efficiency of this protocol, showing that it has a high efficiency and can resist both outside attacks and inside attacks. As a consequence, our protocol is a secure and efficient three-party quantum key agreement protocol.Quantum communication provides an unconditionally secure way for the transmission of information, by exploiting the principles in quantum mechanics. In recent decades, this field gains much attention of researchers all over the world. There are many important branches of quantum communication for different tasks, such as quantum key distribution (QKD) [1,2,3], quantum secure direct communication (QSDC) [4,5,6,7,8,9,10,11,12], quantum secret sharing (QSS) [13], and so on. QKD supplies a secure way for two remote legitimate parties to create a private key [1,2,3]. The parties in QKD can detect the eavesdropper, say Eve, if she monitors their quantum channel, by picking up a subset of their outcomes obtained with two nonorthogonal measuring bases to check eavesdropping. They can then discard the outcomes when they find Eve. Far different from QKD, QSDC gives an absolutely secure approach for two parties to transmit their secret message directly, without producing the private key in advance. The first QSDC scheme was proposed by Long and Liu [4] and it exploits the properties of Bell states and uses a block transmission technique in 2002. Subsequently, Deng, Long, and Liu [5] clarified the standard criterion for QSDC explicitly in 2003, and they proposed an important two-step QSDC protocol by using the Einstein-Podolsky-Rosen photon pair blocks . Recently, these two-step QSDC protocols [4,5] were experimentally implemented by two groups [6,7]. In 2004, Deng and Long [8] introduced the first QSDC protocol based on a sequence of single photons, called quantum one-time pad scheme which has been recently experimentally demonstrated by Hu et al. [9] in a noisy environment with frequency coding. In 2017, Wu et al. [10] proposed a high-capacity QSDC protocol with two-photon six-qubit hyperentangled states. QSS is used to share a secret key among some agents of a boss [13], in which the agents can reconstruct the secret if and only if they collaborate. QSS has a higher requirement than QKD because a potentially dishonest agent may injure the benefit of the boss. The inside attacks will increase largely the diffic...

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Section: Discussion and Summarymentioning

confidence: 99%

High-Efficiency Three-Party Quantum Key Agreement Protocol with Quantum Dense Coding and Bell States

Wang

Zhang

et al. 2019

Int J Theor Phys

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“…The uncorrupted states of the photons could be achieved independent of the noisy parameters of the channels [29]. And the self-error-rejecting photonic qubit transmission in both of the polarization and spatial states over collective noise channels has been reported with the success probability of obtaining uncorrupted states of 1/4 using post-selection [31]. These advantages of error rejection were very useful in QKD to improve the security [32,33].…”

Section: Introductionmentioning

confidence: 94%

“…The single-photon error rejecting transmission provides another method to transmit information against general collective noise [28][29][30][31]. The uncorrupted states of the photons could be achieved independent of the noisy parameters of the channels [29].…”

Section: Introductionmentioning

confidence: 99%

High Capacity Quantum Key Distribution Based on Single-Photon in Polarization and Spatial-Mode Degrees of Freedom Against Collective Noise

2020

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“…The idea of error filtration in a passive linear optic network has been explored in [11,13,17]. Broadly these schemes transmit a photon through a linear optical network such that some measurement outcomes will indicate an uncorrupted state in some output.…”

Section: Comparison With Other Schemesmentioning

confidence: 99%

A robust W-state encoding for linear quantum optics

Vijayan

Lund

Rohde

2020

Quantum

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Error-detection and correction are necessary prerequisites for any scalable quantum computing architecture. Given the inevitability of unwanted physical noise in quantum systems and the propensity for errors to spread as computations proceed, computational outcomes can become substantially corrupted. This observation applies regardless of the choice of physical implementation. In the context of photonic quantum information processing, there has recently been much interest in passive linear optics quantum computing, which includes boson-sampling, as this model eliminates the highly-challenging requirements for feed-forward via fast, active control. That is, these systems are passive by definition. In usual scenarios, error detection and correction techniques are inherently active, making them incompatible with this model, arousing suspicion that physical error processes may be an insurmountable obstacle. Here we explore a photonic error-detection technique, based on W-state encoding of photonic qubits, which is entirely passive, based on post-selection, and compatible with these near-term photonic architectures of interest. We show that this W-state redundant encoding techniques enables the suppression of dephasing noise on photonic qubits via simple fan-out style operations, implemented by optical Fourier transform networks, which can be readily realised today. The protocol effectively maps dephasing noise into heralding failures, with zero failure probability in the ideal no-noise limit. We present our scheme in the context of a single photonic qubit passing through a noisy communication or quantum memory channel, which has not been generalised to the more general context of full quantum computation.

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Self-error-rejecting photonic qubit transmission in polarization-spatial modes with linear optical elements

Cited by 19 publications

References 98 publications

High-Efficiency Three-Party Quantum Key Agreement Protocol with Quantum Dense Coding and Bell States

High-Efficiency Three-Party Quantum Key Agreement Protocol with Quantum Dense Coding and Bell States

High Capacity Quantum Key Distribution Based on Single-Photon in Polarization and Spatial-Mode Degrees of Freedom Against Collective Noise

A robust W-state encoding for linear quantum optics

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