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Research on the evolution of 40Gbps light pulses propagating through different levels of turbulence

In this letter we report the experimental results of the evolution of picosecond light pulses in the presence of different levels of turbulence and particles artificially generated within a chamber equipped with six fans. An applicable model is used to characterize the strengths of the generated turbulence. The impaired time-domain waveforms and the spectrum are observed and examined at the receiving end, then compared with the waveforms acquired in no-turbulence situation. The results can be a helpful reference for design and simulation of FSO communication systems.