TY - JOUR T1 - Optical soliton perturbation for the concatenation model with multiplicative white noise by the improved modified extended tanh–function approach AU - H.A. Eldidamony AU - A.H. Arnous AU - A.J.M. Jawad AU - Y. Yildirim AU - L. Moraru AU - C. Iticescu AU - A. Biswas JO - Semiconductor Physics, Quantum Electronics & Optoelectronics VL - 28 IS - 4 SP - 473 EP - 479 PY - 2025 DO - 10.15407/spqeo28.04.473 UR - https://doi.org/10.15407/spqeo28.04.473 AB - This paper recovers single and straddled optical solitons for the concatenation model in the presence of multiplicative white noise by using an improved modified extended tanh function approach. The parameter constraints for the existence and sustainment of such solitons are also presented. It is observed that the effect of white noise is confined to the phase component of the recovered solitons. KW - straddled optical solitons KW - integrability KW - concatenation model ER -