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We experimentally demonstrate 100-Gb/s TWDM-PON with 4×100-GHz-spaced 25-Gb/s optical duobinary channels in the C-band for downstream transmission. Using 16-GHz APD with post-equalization, we achieve a loss budget of 37 dB after 20-km SSMF transmission with 1:512 power split.
We review recent advances in the field of passive optical networks (PONs), and discuss the future trends including fiber/wireless convergence based on mobile fronthauling, as well as software-defined access networking and transmission based on flexible modulation, detection and digital signal processing.
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