A long reach IM/DD OFDM-PON using super-Nyquist image induced aliasing and code-division multiplexing
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An 83.2-km, 20-Gb/s QPSK CDM-OFDM-PON is experimentally demonstrated. The reachable distance is extended from less than 40 km to 90 km using super-Nyquist image induced aliasing. CDM-OFDM is shown to outperform conventional OFDM signals in IM/DD systems.
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