Recent developments for laser communication on CubeSats across interplanetary distances will be presented. A binary polarization-shift-keyed modulation scheme using dual gain-switched diode lasers is developed and demonstrated within an end-to-end link testbed to achieve signal acquisition under extremely poor signal-to-noise conditions (-43.5 dB average signal-to-noise power ratio at a 1-MHz symbol rate) to simulate direct-to-Earth links, while simultaneously targeting a limited SWaP footprint (1.5U envelope). Additional system design and constraints for the compact laser transmitter will be discussed.


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    Title :

    Binary polarization-shift-keyed modulation for interplanetary CubeSat optical communications


    Contributors:

    Publication date :

    2017-01-30


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English



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