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3×ONU coherent OFDMA-PON uplink transmission is demonstrated using a 3 Gbaud realtime IFDMA transmitter. The digital remote laser synchronization technique enables no-guard-band subcarrier multiplexing with free-running ∼100 kHz linewidth sources over a 40 km SMF link.
DSP-enabled remote carrier synchronization technique for coherent OFDMA-based PONs is investigated by using 12Gsps real-time IFDMA-PON transmitter prototype with a 3kHz linewidth free-running source.
10G-EPON dual-rate transceiver with receiver sensitivity of -30.8dBm for 10.3125Gb/s and -35.5dBm for 1.25Gb/s due to fully optimized burst-mode AGC/ATC functions was developed. A high launch power and low dispersion penalty transmission were also achieved.
We review recent burst-mode transceiver technologies as the key devices enabling the upstream transmission of 10G-EPON systems. The performances of newly developed 10G/1G dual-rate OLT transceiver and ONU transceiver are also presented.
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