Fig. 1. Defect generation in optical photonic lattice. (a) Regular lattice distribution; (b) Gaussian beam intensity distribution G(X); (c) positive defect lattices; (d) negative defect lattices

Fig. 2. Interaction of two AiG beams under different conditions: (a) γ=0, A_n=0; (b) γ=0, A_n=5, δn₁=δn₂=0; (c) γ=0, A_n=5.0, δn₁=δn₂=0.5; (d) ω_m=0, γ=1, A_n=0; (e) ω_m=0, γ=1, A_n=5, δn₁=δn₂=0; (f) ω_m=0, γ=1, A_n

Fig. 3. Interaction of two AiG beams: (a) ω_m=5; (b) ω_m=10; (c) ω_m=25; (d) ω_m=5; (e) ω_m=10; (f) ω_m=25; (g) profiles of photonic lattice potential; (h) profiles of nonlocal response R and the beam |q²|/10

Fig. 4. Interaction of two AiG beams with δn. (a) δn₁=δn₂=-1; (b) δn₁=δn₂=1; (c) δn₁=δn₂=2; (d) δn₁=-2, δn₂=2; (e) comparison of four kinds of lattice potentials

Fig. 5. Interaction of two AiG beams. (a) A_n=3, T=30 μm; (b) A_n=3, T=50 μm; (c) A_n=3, T=80 μm; (d) A_n=3, T=50 μm; (e) A_n=5, T=50 μm; (f) A_n=7, T=50 μm; (g) profiles of the lattice potentials and beams for different T; (h) profiles of the lattice potentials and beams for different A_n

Fig. 6. Interaction of two AiG beams. (a) D=-2; (b) D=-1; (c) D=0; (d) D=1; (e) D=2; (f) intensity profiles of the AiG beams with D=-2 and D=2 and the defect photonic lattice with δn₁=δn₂=1

Fig. 7. Interaction of two AiG beams. (a) β₁=β₂=0,δφ=0; (b) β₁=β₂=0, δφ=π/2; (c) β₁=β₂=0, δφ=π;(d) β₁=β₂=0.5, δφ=0; (e) β₁=β₂=0.5, δφ=π/2; (f) β₁=β₂=0.5, δφ=π; (g) intensity profiles of the AiG beams