Summary form only given. The performance of a 4-GHz delayed differential link was measured, using a 1.55-/spl mu/m SDL distributed feedback (DFB) laser and a UTP dual-output modulator. Present polarization couplers only have isolation of -20 -30 dB between the polarization states. The large optical path length difference in combination with this residual cross talk leads to an optical filter, which causes frequency to amplitude noise conversion.
Delayed differential RIN reduction with interferometric noise suppression
1998-01-01
243411 byte
Conference paper
Electronic Resource
English
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