Optical fiber communication
To verify the tracking capability of a DP-IMDD system, a post-FEC experiment is performed by tuning on the KP4 FEC encoder and decoder on the line side. With random scrambling or with hand shaking, vibrating or twisting the fiber, there is no codeword error observed in 2 minutes and the reported KP4 FEC T-max did not exceed 4
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In ultrahigh-speed coherent optical fiber communication systems, increasing single-carrier data rate is usually considered the foundation for the data rate increase of wavelength division multiplexing (WDM) communication systems. In single-carrier optical fiber communication systems, polarization mode dispersion (PMD) is one of the most critical factors affecting the data rate increase.
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