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We have investigated optical filtering-effects when a spectrally-sliced ASE light is injected to a gain-saturated R-SOA. The resulting distortion in the output optical spectrum from an optical pass-band shape of AWG could significantly affect the transmission quality of the WDM-PON.
16/spl times/10 Gb/s WDM signals were successfully transmitted over 4/spl times/40 km of SMF using LOAs combined with dispersion compensating RFAs. No add/drop-induced penalty was observed when 15 channels out of 16 channels were dynamically add/dropped.
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