Physics – Optics
Scientific paper
2011-03-03
Phys. Rev. A 84, 033802 (2011)
Physics
Optics
5 pages, 5 figures
Scientific paper
10.1103/PhysRevA.84.033802
We address the existence of multipole interface solitons in one-dimensional thermal nonlinear media with a step in the linear refractive index at the sample center. It is found that there exist two types of solutions for tripole and quadrupole interface solitons. The two types of interface solitons have different profiles, beam widths, mass centers, and stability regions. For a given propagation constant, only one type of interface soliton is proved to be stable, while the other type can also survive over a long distance. In addition, three types of solutions for fifth-order interface solitons are found.
Hu Wei
Lu Daquan
Ma Xuekai
Yang ZhenJun
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