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In this paper, we have discussed in detail the four wave mixing (FWM) effect of dense wavelength division multiplexing (DWDM) in Radio-over-Fiber (RoF) system. A 32-channel 40-Gbps system is considered. FWM effect for various channel spacing, input power level, effective fiber area and modulation formats are analyzed. Different schemes for minimizing these effects are discussed for the first time...
This paper presents a review of novel methods that have been proposed by many authors for nonlinear optical effects suppression in WDM systems. Among the major nonlinear optical effects in WDM systems include nonlinear crosstalk, cross-phase modulation (XPM) and four wave mixing (FWM). These nonlinearities will degrade the performance of WDM systems particularly at bit rates higher than 2.5 Gbit/s...
Using three co-polarized probes and a pump modulated signal, seven multicasting channels with 100-GHz spacing are demonstrated. The conversion efficiency fluctuation due to polarization sensitivity is reduced from more than 20 dB to 5 dB.
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