The feasibility of an optical injection phase lock loop technique for use in a coherent laser communications link between a LEO (Low Earth Orbit Satellite) and a OGS (Optical Ground Station) is studied. The Doppler frequency shift in the LEO-OGS coherent link is estimated and the impact on the link performance is investigated. It is demonstrated experimentally that a 10 Gbps BPSK link can successfully maintain stable frequency and phase locking status under the condition that the signal laser frequency changes over 9 GHz at a frequency deviation rate up to 1 Hz, which is ample to meet the requirement for the LEO-OGS coherent link.


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    Titel :

    Feasibility study of coherent LEO-ground link system using an optical injection phase lock loop technique


    Beteiligte:
    Shoji, Y (Autor:in) / Takayama, Y (Autor:in) / Toyoshima, M (Autor:in) / Fice, M J (Autor:in) / Seeds, A J (Autor:in)


    Erscheinungsdatum :

    01.05.2011


    Format / Umfang :

    472751 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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