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31 May 2006 Comparison of simulation and measurement results of a high-speed intersatellite optical communication system
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Abstract
Optical communications systems are vital to allow high speed satellite-to-satellite and satellite-to-ground-based communication links with low power consumption and low weight. To predict the performance of such systems it is essential to have an accurate simulation model which allows to predict the experimental results. We have implemented a coherent optical communications system which can be used for ultra long free-space distances. It incorporates a challenging optical phase lock loop (PLL). We also developed a simulation model for this advanced optical telecommunication system. It is shown that the experimental and numerical results obtained are in excellent agreement. By changing the parameters of the simulation model we can predict which of those parameters are most important to achieve a reliable high speed intersatellite optical link over a long free-space distance. One of the key parameters is the performance of our optical PLL. This is most important for systems which use the highly sensitive phase-shift keying (PSK) modulation format. Our developed optical PLL with a linewidth of as low as 130Hz shows excellent results both in simulation and experiments.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dan Mohr, Christoph Wree, and Don Becker "Comparison of simulation and measurement results of a high-speed intersatellite optical communication system", Proc. SPIE 6221, Modeling, Simulation, and Verification of Space-based Systems III, 62210G (31 May 2006); doi: 10.1117/12.666059; https://doi.org/10.1117/12.666059
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