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Record 1.2-Tb/s (25λ×48Gb/s/λ) symmetric WDM-OFDMA-PON is demonstrated over 90km SSMF with a 1:32 passive split, featuring multi-band-OFDMA, digitally-selective ONUs and a coherent receiver OLT. The architecture supports 800 ONUs with 1.25/10-Gb/s guaranteed/peak rates.
We have studied the 10.8-Gb/s (10-Gb/s after coding) OFDMA-PON downstream and upstream transmission performance with 8 OUN-s over 20 km SSMF. The maximum path loss was achieved at 25.5 dB using IM and APD without optical amplifier.
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