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We propose and experimentally demonstrate a simple and novel monitoring technique with the modulation of RSOA's ASE by the pilot-tone monitoring signal at the ONU, to provide power saving in RSOA-based WDM-PON.
A novel scheme to overlay the DPSK broadcast signal onto the NRZ point-to-point signal in a WDM-PON is proposed. Selective broadcast is realized by adjusting the extinction ratio of the NRZ signals on individual wavelengths.
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