Collapse arrest in a two-dimensional Airy Gaussian beam and Airy Gaussian vortex beam in nonlocal nonlinear media

被引：7

作者：

Chen, Ye ^{[1
]}

Ge, Lijuan ^{[2
]}

Wang, Xinglin ^{[3
]}

Shen, Ming ^{[1
]}

机构：

[1] Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China

[2] Suzhou Univ Sci & Technol, Sch Phys Sci & Technol, Suzhou 215009, Peoples R China

[3] Anhui Polytech Univ, Dept Appl Math & Phys, Wuhu 241000, Peoples R China

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2022年 / 74卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Airy Gaussian beam; Airy Gaussian vortex beam; nonlocal nonlinear media; self-healing; collapse arrest; MODULATIONAL INSTABILITY; ANOMALOUS INTERACTIONS; PROPAGATION DYNAMICS; WAVE-PACKETS; GENERATION; SOLITON; LIGHT;

D O I：

10.1088/1572-9494/ac46a5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Propagation dynamics of a two-dimensional Airy Gaussian beam and Airy Gaussian vortex beam are investigated numerically in local and nonlocal nonlinear media. The self-healing and collapse of the beam crucially depend on the distribution factor b and the topological charge m. With the aid of nonlocality, a stable Airy Gaussian beam and an Airy Gaussian vortex beam with larger amplitude can be obtained, which always collapse in local nonlinear media. When the distribution factor b is large enough, the Airy Gaussian vortex beam will transfer into quasi-vortex solitons in nonlocal nonlinear media.

引用

页数：13

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