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We demonstrate 32 Gbps per wavelength upstream record capacity for a FDMA-PON over 37 km of installed fiber and 32 dB ODN loss, adopting an innovative ONU based on a reflective Mach Zehnder modulator.
A realistic uplink FDMA scenario for NG-PON2 is demonstrated with low speed electronics in the ONU (500 MHz) and high per wavelength aggregate capacity (12 to 15 Gbps). Stability over field deployed fiber is proven.
Some of the proposed NG-PON2 architectures encompass coherent receivers. In this scenario, we investigate the use of commercial DFB lasers, rather than more expensive ECL, showing negligible penalty for 40 Gbps PM-QPSK.
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