Mode-pairing quantum key distribution based on pulse-position modulation

Zhou, Yi‐Hua; Li, Yang; Shi, Weimin; Yang, Yu‐Guang

doi:10.1016/j.ijleo.2022.170367

Cited by 4 publications

(2 citation statements)

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“…The authors used a combination of polarization modulation and pulse-position modulation to increase the key generation rate in the channel. In a study by Yicheng Shi et al [30], the authors proposed a QKD protocol that utilizes polarization entanglement in UWOC channels. The study showed that the proposed protocol can achieve a higher key generation rate compared to traditional QKD protocols in UWOC channels.…”

Section: Focused Study On Qkd Key Generation Ratementioning

confidence: 99%

Enhanced Quantum Key Distribution Algorithm for Underwater Optical Wireless Sensor Network

Shelar,

Mahalle,

Shinde

et al. 2023

IJRITCC

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The research aims to develop an attack-free underwater optical communication channel at a distance of 50 meters. In this work, we have emphasized the importance of Quantum Key Distribution (QKD) in Naval and many other applications. An in-detail study of the Benette Brassard QKD protocol proposed in 1984 [BB84] is done with its implementation. Then as the next step, we analyzed the drawbacks of BB84 and the necessity of QKD in Underwater Optical Wireless Sensor Networks [UO-WSN]. As a solution, to identified problems, we have proposed the Enhanced BB84 protocol (EBB84) with considerations of its usage in the UO-WSN. The results showed that the EBB84 algorithm is best suitable algorithm for the underwater environment.

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Section: Focused Study On Qkd Key Generation Ratementioning

confidence: 99%

Enhanced Quantum Key Distribution Algorithm for Underwater Optical Wireless Sensor Network

Shelar,

Mahalle,

Shinde

et al. 2023

IJRITCC

View full text Add to dashboard Cite

show abstract

“…[ 28–32 ] Recently, researchers have proposed innovative mode‐pairing QKD (MP‐QKD) and asynchronous MDI‐QKD protocols, which can surpass the secret key capacity even without phase locking. [ 33–36 ] Therefore, the users can increase the secure key rate with simple hardware implementation.…”

Section: Introductionmentioning

confidence: 99%

Reference‐Frame‐Independent Mode‐Pairing Quantum Key Distribution with Advantage Distillation

Li,

Sun,

Liu

et al. 2024

Adv Quantum Tech

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The coordination between distance and the secure key rate is one of the main challenges in the practical application of quantum key distribution (QKD). Mode‐pairing quantum key distribution is one of the schemes that can surpass the secret key capacity for repeaterless QKD. However, the protocol utilizes phase to encode the information, which leads to the problem of active stabilization in the interferometer. In this paper, a reference‐frame‐independent mode‐pairing quantum key distribution (RFI‐MP‐QKD) is proposed as an effective scheme to solve this problem. Moreover, the performance of the RFI‐MP‐QKD protocol is improved by applying the Advantage Distillation (AD) method in data post‐processing, which separates the highly correlated raw key bits from the weakly correlated information. The simulation results show that the secure key rate of RFI‐MP‐QKD has almost no degradation for reference frame deviation angles of . Compared to RFI‐MP‐QKD without AD method, the AD method decreases the quantum bit error rate from 0.04 to 0.012 and increases the maximum transmission distance from 406 to 450 km. The scheme proposed is expected to facilitate the practical implementation of RFI‐MP‐QKD, especially in cases of concerning reference frame alignment and high channel loss.

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