Perturbation of Highly Dispersive Solitons in Optical Metamaterials with Twin-Core Couplers and Power-Law of Self-Phase Modulation by Laplace–Adomian Decomposition. - González-Gaxiola, Oswaldo; Ahmed, Jehan Saleh; Calucag, Lina S.; Biswas, Anjan (Algorithms, 2026)