A generalized Kundu--Eckhaus equation with an extra-dispersion: pulses configuration

Raman effect is due to self-phase modulation (SPM), which embedded in Kundu--Eckhaus equation KEE. Here, the objective of this work present a generalized KEE by accounting for an extra dispersion may be induced scattering. Also, attention focused study effects dispersion.Which are investigated via obtaining exact solutions new model equation. These found unified method and introducing transformation that ispects soliton- periodic wave collision. We aim show variety shapes optical pulses OPs propagation fibers occurs. Waves multiple geometric structures observed. Among these waves, hybrid lumps, soliton, cascade, complex chirped, w-shaped, rhombus (diamond) waves soliton self phase modulation.The characteristics pulses; intensity, frequency, wavelength, polarization, spectral content identified. The results here great interest experimenting on configurations. Further, colliding dynamics inspected as it observed no rogue or sharp formation hold, so collision elastic.