Scintillation effect on intensity modulated laser communication systems—a laboratory demonstration

Wasiu O. Popoola, Zabih Ghassemlooy , Chung Ghiu Lee , Anthony Boucouvalas

    Research output: Contribution to journalArticlepeer-review

    Abstract

    This paper shows the impact of atmospheric turbulence-induced fading on the symbol decision position in the on-off keying (OOK) and the binary phase shift keying (BPSK) subcarrier intensity modulated (SIM) laser communication link. Weak turbulence is simulated in the laboratory using a chamber equipped with heating elements and fans. We have shown that in atmospheric turbulence, it is advantageous to employ modulation schemes such as pulse time and subcarrier intensity modulations that do not directly impress data on the optical irradiance as is the case with the OOK.
    Original languageEnglish
    Pages (from-to)682–692
    Number of pages11
    JournalOptics & Laser Technology
    Volume42
    Issue number4
    DOIs
    Publication statusPublished - Jun 2010

    Keywords

    • atmospheric turbulence
    • free-space optics
    • laser communications

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