Subcarrier multiplexing multiple-input multiple-output quantum key distribution scheme with orthogonal quantum states

Xiao, Hailin; Zhang, Zhongshan

doi:10.1007/s11128-016-1474-x

Cited by 6 publications

(3 citation statements)

References 42 publications

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“…The utilization of the photon detector with high detection efficiency and short dead time also plays an important role to obtain a high key rate. The work in [19] proposed a subcarrier multiplexing multiple-input multiple-output (MIMO) QKD to improve the bit rate by implementing multiple parallel single-photon communication for different channels. Unfortunately, they did not measure the impacts of key rate generations.…”

Section: Related Workmentioning

confidence: 99%

MQC-MB: Multiphoton Quantum Communication Using Multiple-Beam Concept in Free Space Optical Channel

et al. 2020

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Multiphoton Quantum Key Distribution (QKD) has recently been proposed to exchange the secret keys using the rotational of polarization over a multi-stage protocol. It has the ability to outperform the weaknesses of a single photon QKD by improving the generation of key rate and distance range. This paper investigates the theoretical aspects of multiphoton QKD protocol’s performance over free space optic (FSO) networks. The most common setup for quantum communication is the single-beam approach. However, the single-beam setup has limitations in terms of high geometrical loss. In this paper, the symmetry multiple-beam for quantum communication which is called as Multiphoton Quantum Communication-Multiple Beam (MQC-MB) is proposed to transmit the multiphoton from the sender to the receiver in order to minimize the impact of geometrical loss that is faced by the single-beam setup. The analysis was carried out through mathematical analysis by establishing the FSO quantum model with the effects of atmospheric and geometrical loss as well as considering atmospheric turbulence modeled by log-normal distribution. The design criteria of FSO, such as the transmitter, receiver, beam divergence, and diameter of apertures, are analytically investigated. The numerical results demonstrate that the MQC-MB outperforms the single-beam in terms of reducing channel loss by about 8 dB and works well under strong turbulence channel. Furthermore, the MQC-MB reduces the quantum bit error rate (QBER) and improves the secret key rate (SKR) as compared to the single-beam system even though the distance between the sender and receiver increases.

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Section: Related Workmentioning

confidence: 99%

MQC-MB: Multiphoton Quantum Communication Using Multiple-Beam Concept in Free Space Optical Channel

et al. 2020

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“…Currently, the QKD protocol is typically developed into discrete-variable QKD (DVQKD) based on single-photon detection and continuous-variable QKD (CVQKD) based on coherent detection. The DVQKD has been firstly proposed and intensively developed in long distance quantum secure communication [3,4]. Then, the CVQKD has been researched in the practical implementation of quantum communications due to its inherent advantages of high key rate in metropolitan distance and good compatibility with commercial off-the-shelf components [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Experimental demonstration of 5 GBaud four-state continuous-variable quantum key distribution with digital signal processing

Wang¹,

Yan²,

Pi³

et al. 2023

Quantum and Nonlinear Optics IX

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In this paper, we experimentally demonstrate a 5 GBaud four-state continuous-variable quantum key distribution with digital signal processing. By employing a frequency-and polarization-multiplexing quantum key transceiver, the modulation noise and DAC quantization noise in quantum state preparation, the photo-leakage noise in co-fiber transmission, the detection noise and ADC quantization noise in polarization diversity detection can be effectively reduced for achieving an ultra-low level of excess noise. Moreover, the main polarization variation and phase noise can be accurately compensated by designing a precise digital compensation scheme including the pilot-assisted polarization and phase compensation algorithm and the data-assisted equalized compensation algorithm. Besides, the explicit asymptotic secure key rate is evaluated by using an improved semidefinite programming security analysis method, which achieves a 100 Mbps level of secure key rate within 10 km distance.

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“…Quantum error-correcting codes (QECCs) are based on the classical information theory and quantum mechanics. They play an important role in quantum computation and quantum secret communications, such as quantum signature schemes [15], quantum identities authentication schemes [4] and quantum key distribution protocol [14]. Recently, it has become a hot topic of constructing quantum error-correcting codes ( [7], [10]) and quantum error-avoiding codes [13].…”

Section: Introductionmentioning

confidence: 99%

Constacyclic Codes Over 𝑭𝒒[𝒖] /〈𝒖𝟑 = 𝟎〉 and Their Application of Constructing Quantum Codes

HEBBACHE

2023

International Journal of Informatics and Applied Mathematics

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Subcarrier multiplexing multiple-input multiple-output quantum key distribution scheme with orthogonal quantum states

Cited by 6 publications

References 42 publications

MQC-MB: Multiphoton Quantum Communication Using Multiple-Beam Concept in Free Space Optical Channel

MQC-MB: Multiphoton Quantum Communication Using Multiple-Beam Concept in Free Space Optical Channel

Experimental demonstration of 5 GBaud four-state continuous-variable quantum key distribution with digital signal processing

Constacyclic Codes Over 𝑭𝒒[𝒖] /〈𝒖𝟑 = 𝟎〉 and Their Application of Constructing Quantum Codes

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