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Design and Security Analysis of Quantum Key Distribution Protocol Over Free-Space Optics Using Dual-Threshold Direct-Detection Receiver

Trinh, Phuc V., Pham, Thanh V., Dang, Ngoc T., Nguyen, Hung Viet, Ng, Soon Xin and Pham, Anh T. (2018) Design and Security Analysis of Quantum Key Distribution Protocol Over Free-Space Optics Using Dual-Threshold Direct-Detection Receiver IEEE Access, 6. pp. 4159-4175.

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Abstract

This paper proposes a novel design and analyzes security performance of quantum key distribution (QKD) protocol over free-space optics (FSO). Unlike conventional QKD protocols based on physical characteristics of quantum mechanics, the proposed QKD protocol can be implemented on standard FSO systems using subcarrier intensity modulation binary phase shift keying and direct detection with a dual-threshold receiver. Under security constraints, the design criteria for FSO transmitter and receiver, in particular, the modulation depth and the selection of dual-threshold detection, respectively, is analytically investigated. For the security analysis, quantum bit error rate, ergodic secret-key rate, and final key-creation rate are concisely derived in novel closed-form expressions in terms of finite power series, taking into account the channel loss, atmospheric turbulence-induced fading, and receiver noises. Furthermore, Monte-Carlo simulations are performed to verify analytical results and the feasibility of the proposed QKD protocol.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Trinh, Phuc V.
Pham, Thanh V.
Dang, Ngoc T.
Nguyen, Hung Viethung.nguyen@surrey.ac.uk
Ng, Soon Xin
Pham, Anh T.
Date : 31 January 2018
Identification Number : 10.1109/ACCESS.2018.2800291
Copyright Disclaimer : © 2018 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information
Uncontrolled Keywords : Quantum key distribution (QKD); Free-space optics (FSO); Subcarrier intensity modulation (SIM); Binary phase shift keying (BPSK); Atmospheric turbulence-induced fading; Dual-threshold direct detection; Protocols; Receivers; Security; Photonics; Atmospheric modeling; Optical transmitters; Fading channels
Additional Information : This work was supported by the Telecommunications Advancement Foundation in Japan.
Depositing User : Clive Harris
Date Deposited : 12 Mar 2018 11:19
Last Modified : 13 Mar 2018 15:45
URI: http://epubs.surrey.ac.uk/id/eprint/845981

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