Waarts, R.G.R.G.WaartsBraun, R.-P.R.-P.Braun2022-03-022022-03-021986https://publica.fraunhofer.de/handle/publica/174241The transmission of a multichannel coherent optical system is limited by four-wave mixing. In a 100-channel monomode fibre link, 5 GHz channel separation, -20 dB crosstalk level, the input power per channel should be lower than 0 to -5 dBm for a subscriber line (5 km), or -10 dBm for a trunk line (>100 km), employing low-loss dispersion-shifted fibre.enoptical fibresoptical linksfour-wave mixingsingle-mode optical fibresmultichannel coherent optical system100-channel monomode fibre linkchannel separationcrosstalk levelinput powersubscriber linetrunk linelow-loss dispersion-shifted fibre621384journal article