Acta Optica Sinica, Volume. 45, Issue 1, 0119001(2025)
Disordered Solitons in Waveguide Arrays with Competing Cubic‐Quintic Nonlinearities
Fig. 1. Linear band structure and Anderson mode. (a) The first 80 Anderson modes form band structures; (b)‒(f) No.1, 2, 3, 4, 70 Anderson modes, their eigenvalues b are -7.7075, -7.6364, -7.6363, -7.6243, and 2.4271, respectively
Fig. 2. Power curves and partial solitons of soliton families originating from Anderson modes. (a) P-b curve of the disordered soliton family originating from the first Anderson mode, with the shaded area representing the first energy band; (b) corresponding to the soliton profile marked with a equilateral triangle (propagation constant b=-9) in Fig. 2(a). (c) P-b curve of the disordered soliton family originating from the fourth Anderson, illustrated by the power curve near the band; (d)(e)(f) soliton contours marked with circular (b=-7.63), square (b=-7.68), and inverted triangle (b=-7.90) in Fig. 2(c), remaining parameters c1=1 and c2=-0.1
Fig. 3. Power curves and partial solitons of the first type of high-order solitons. (a) P-b curves of the first class of multi-peaked solitons; (b) solitons of the branch Ⅰ and branch Ⅱ when b=-9.1; (c) solitons of the branch Ⅲ and branch Ⅳ when b=-9.1; (d) solitons of the branch Ⅴ and branch Ⅵ when b=-9.1; (e) solitons of the branch Ⅶ and branch Ⅷ when b=-9.1 remaining parameters c1=1 and c2=-0.1
Fig. 4. Relationship between perturbation growth rate and propagation constant of the first type of high-order soliton family, as well as the transmission diagram of some solitons. (a) Relationship between the perturbation growth rate and the propagation constant of the first kind of higher-order solitons; (b) transmission simulation of solitons in branch Ⅰ when b=-7.763; (c)(d) solitons of the branch Ⅰ and branch Ⅴ when b=-9.1, remaining parameters c1=1 and c2=-0.1
Fig. 5. Power curves and partial solitons of the second type of high-order soliton. (a) P-b curves of the second class of multi-peaked solitons; (b) solitons of the branch Ⅰ and branch Ⅱ when b=-8.2; (c) solitons of the branch Ⅲ and branch Ⅳ when b=-8.2; (d) solitons of the branch Ⅴ and branch Ⅵ when b=-8.2; (e) solitons of the branch Ⅶ and branch Ⅷ when b=-8.2, remaining parameters c1=1 and c2=-0.1
Fig. 6. Relationship between perturbation growth rate and propagation constant of the second type of high-order soliton family, as well as the transmission diagram of some solitons. (a) Relationship between the perturbation growth rate and the propagation constant of the second kind of higher-order solitons; (b) soliton of the branch Ⅰ when b=-8.2; (c)(d) solitons of the branch Ⅴ and branch Ⅶ when b=-8.2, remaining parameters c1=1 and c2=-0.1
Fig. 7. Power curves of self focusing solitons and partial solitons. (a) P-b curve of the self-focusing solitons; (b) solitons of the Ⅰ , Ⅱ , Ⅲ and Ⅳ branches when b=-4, remaining parameters c1=-1 and c2=0.1
Get Citation
Copy Citation Text
Biaopei Cao, Huaxin He, Chenhui Wang, Yuanyuan Chen, Yongping Zhang. Disordered Solitons in Waveguide Arrays with Competing Cubic‐Quintic Nonlinearities[J]. Acta Optica Sinica, 2025, 45(1): 0119001
Category: Nonlinear Optics
Received: Aug. 12, 2024
Accepted: Sep. 18, 2024
Published Online: Jan. 22, 2025
The Author Email: Yuanyuan Chen (cyyuan@shu.edu.cn), Yongping Zhang (yongping11@t.shu.edu.cn)
CSTR:32393.14.AOS241423