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    On the Performance of Quantum Key Distribution FSO Systems Under a Generalized Pointing Error Model

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    Zhao_CL_QKD.pdf
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    Type
    Article
    Authors
    Zhao, Hui cc
    Alouini, Mohamed-Slim cc
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering
    Electrical Engineering Program
    Office of the VP
    Physical Science and Engineering (PSE) Division
    Date
    2019-07-15
    Online Publication Date
    2019-07-15
    Print Publication Date
    2019
    Permanent link to this record
    http://hdl.handle.net/10754/656039
    
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    Abstract
    In this letter, the performance of a quantum key distribution (QKD) free-space optical (FSO) system is analyzed while taking a generalized pointing error model into account. More specifically, closed-form expressions for the average received powers at both the legitimate receiver and eavesdropper are derived. In addition, their corresponding asymptotic results valid in the high telescope gain regime are also presented. To capture the secure performance, we also investigate the ratio of received powers at the eavesdropper and at the legitimate receiver. Further, in some special cases, we find the optimal telescope gains for the received powers at both the legitimate receiver and eavesdropper, as well as the power ratio, which is important and useful for a secure QKD FSO system design. Finally, some selected numerical results are presented to illustrate the mathematical formalism and validate the accuracy of the derived analytical expressions.
    Citation
    Zhao, H., & Alouini, M.-S. (2019). On the Performance of Quantum Key Distribution FSO Systems Under a Generalized Pointing Error Model. IEEE Communications Letters, 23(10), 1801–1805. doi:10.1109/lcomm.2019.2929037
    Sponsors
    This work was funded by the office of sponsored research (OSR) at KAUST. The work of H. Zhao was done while he was studying at KAUST.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    IEEE Communications Letters
    DOI
    10.1109/lcomm.2019.2929037
    Additional Links
    https://ieeexplore.ieee.org/document/8764011/authors#authors
    ae974a485f413a2113503eed53cd6c53
    10.1109/lcomm.2019.2929037
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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