Suppression of FWM Crosstalk on WDM Systems Using Unequally Spaced Channel Algorithms–A Survey
نویسندگان
چکیده
The phenomenon of an undesirable nonlinear optical effects degrade the system performance. In optical wave–length division multiplexing (WDM) systems employing dispersion shifted fibers, the crosstalk due to four–wave mixing (FWM) is one of the dominating degradation nonlinear optical effects. Generally, FWM crosstalk suppression can be achieved by using unequally spaced channel allocation methods such as integer linear programming (ILP), extended quadratic congruence (EQC) algorithm, search algorithm (SA), disjoint difference sets (DDS), and optimal Golomb ruler (OGR) sequences. The main contribution of this paper is to presents a brief survey on the ILP, EQC, SA and DDS and detailed survey on OGR sequences proposed in literature for FWM crosstalk suppression in WDM
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