We experimentally demonstrate high-performance burst-mode upstream transmission at 25 Gb/s for 50G-PON. With a novel DSP-assisted burst-mode receiver, we achieve fast burst synchronization and recovery within ~200 ns, and a record receiver sensitivity of -29.8 dBm at the SD-LDPC BER threshold of 2*10-2 after 20-km SSMF transmission.

© 2019 The Author(s)

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