Solitary wave for a nonintegrable discrete nonlinear Schrödinger equation in nonlinear optical waveguide arrays

Ma Li-Yuan¹, Ji Jia-Liang², Xu Zong-Wei³, Zhu Zuo-Nong^{3, †}

(color online) Traveling soliton. (a), (b) Parameters are chosen to be ω = 1, β = 1, h = 0.5, η = 0.5, V = −0.25. α = −3 (green); α = 0 (pink); α = 5 (black). (c) Evolution of a traveling soliton with parameters being ω = 1, β = 1, h = 0.5, η = 0.5, V = −0.25, and α = -3.