24 February 2017 Binary polarization-shift-keyed modulation for interplanetary CubeSat optical communications
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Abstract
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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Michael Y. Peng, Michael Y. Peng, William H. Farr, William H. Farr, Michael B. Borden, Michael B. Borden, Abhijit Biswas, Abhijit Biswas, Joseph M. Kovalik, Joseph M. Kovalik, } "Binary polarization-shift-keyed modulation for interplanetary CubeSat optical communications", Proc. SPIE 10096, Free-Space Laser Communication and Atmospheric Propagation XXIX, 100960B (24 February 2017); doi: 10.1117/12.2255520; https://doi.org/10.1117/12.2255520
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