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    Coherent Free-Space Optical Communication Using Non-mode-Selective Photonic Lantern

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    Type
    Preprint
    Authors
    Zhang, Bo
    Yuan, Renzhi
    Sun, Jianfeng
    Cheng, Julian
    Alouini, Mohamed-Slim cc
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2020-07-03
    Permanent link to this record
    http://hdl.handle.net/10754/664428
    
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    Abstract
    A coherent free-space optical communication system based on non-mode-selective photonic lantern is studied. Based on simulation of photon distribution, the power distribution at single-mode fiber end of the photonic lantern is quantitatively described as a truncated Gaussian distribution over a simplex. The signal-to-noise and the outage probability are analyzed for the communication system using photonic lantern based receiver with equal-gain combining, and they are compared with those of the single-mode fiber receiver and multimode fiber receiver. The scope of application of the communication system is provided. It is shown that the signal-to-noise ratio gain of the photonic lantern based receiver over single-mode fiber receiver and multimode fiber receiver can be greater than 7 dB. The integral solution, series lower bound solution and asymptotic solution are presented for bit-error rate of photonic lantern based receiver, single-mode fiber receiver and multimode fiber receiver over the Gamma-Gamma atmosphere turbulence channels. Simulation results show that for the considered system the power distribution of the photonic lantern has limited influence on the outage probability and the bit-error rate performance.
    Publisher
    arXiv
    arXiv
    2007.01938
    Additional Links
    https://arxiv.org/pdf/2007.01938
    Collections
    Preprints; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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