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We analyzed the impact of nonlinear phase noise caused by Gorden-Mollenauer effect in single-channel return-tozero differential phase-shift-keying (RZ-DPSK) transmission in dependence of system bit rates, dispersion compensation schemes and different fiber types. The investigation is reported by simulating RZ-DPSK signals for 3200 km, taking into account penalties in Q-factor induced by nonlinear...
We numerically evaluate the robustness of digital backward propagation (DBP) algorithm for the mitigation of fiber transmission impairments in phase encoded transmission. We have investigated DBP algorithm by varying physical parameters of transmission i.e. bit rates, modulation formats, fiber transmission length and fiber spans of unequal length. The system performance is evaluated by Q-factor. Through...
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