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An all fiber IM/FSK coding technique for the realization of the 2.5 Gb/s NRZ label swapping onto a 40 Gb/s NRZ payload signal has been numerically studied in this work. Four wave mixing (FWM) and cross phase modulation (XPM) on a dispersion shifted fiber (DSF) are used, for the combination of the Intensity modulated (IM) payload with Frequency Shift Keying (FSK) modulated header synchronously on the...
In this paper, an initial discussion is presented on the potential of applying electronic equalization in WDM optical communication systems. The novelty of our work is that the fibre is considered nonlinear with FWM being the dominant source of distortion. Possible dependencies between the outputs of the desired channel and the bits transmitted in other channels are explored and some simple joint...
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