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We demonstrate 448 Gbit/s (224 Gbit/s) dual channel DP-16QAM (QPSK) transmission over four cascaded, linear SOAs using advanced modulation formats. As an application we envision dedicated high-capacity business paths in future converged metro-access networks.
The crosstalk of rival RoF and GPON subscribers on a RoF signal in converged RoF-WDM-TDM-GPONs with SOA as reach extender is studied. SOA nonlinear crosstalk can be mitigated by control of subscriber launch power.
Future RoF systems will be integrated into PON. We demonstrate that SOA reach extender provide a large optical and electrical power dynamic range of 30 dB. Optimum conditions are determined for QPSK and 16-QAM RF signals.
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