Fig. 1. Refractive index Δ(n2)/(4πSN0) varies with the light intensity I with different α, β, γ.(a) β=γ=0.1, and α=0.1,0.3,0.7,2.0; (b) α=γ=0.2, and β=0.1,0.4,1,4; (c) α=β=0.1, and γ=0.1,0.3,2.0,6.0

Fig. 2. Intensity distributions of bright soliton at z=(a) 0, (b) 5, and (c) 9; (d) intensity contour plot in the x-z plane; (e) intensity contour plot in the x-y plane; (f) corresponding intensity contour at z=8, other parameters are a=d=1, b=0.25, c=8

Fig. 3. Intensity distributions of dark soliton at z= (a) 0, (b) 5, and (c) 9; (d),(e) intensity transmission property of soliton along z-axis; (f) corresponding intensity contour at z=9, other parameters are a=d=1, b=0.25, c=2