光学技术, 2017, 43 (6): 519, 网络出版: 2017-12-25
非局域非线性介质中的拉盖尔-高斯涡旋呼吸子和涡旋光孤子
Laguerre-Gauss vortex breathers and vortex solitons in nonlocal nonlinear medium
摘要
在圆柱坐标系下, 利用分离变量的方法求得了非局域克尔介质中拉盖尔-高斯光束传输的精确解析解。当输入功率等于临界功率时, 光束演变为拉盖尔-高斯涡旋光孤子, 是一种旋转的多环光孤子; 当输入功率接近于临界功率时, 光束在传输过程中形成拉盖尔-高斯涡旋呼吸子。结果表明, 低阶的拉盖尔-高斯孤子呈现中空多峰亮环分布。
Abstract
In cylindrical coordinate system, the precise analytical solution of Laguerre-Gauss beam transmission is obtained by using the method of separation of variables. When the input power equals the critical power, the light beam evolves into Laguerre-Gauss vortex solitons, which is a rotating polycyclic optical soliton. When the input power is close to the critical power, the light beam forms the Laguerre-Gauss vortex breathing during transmission. The results show that the low-order Laguerre-Gauss soliton presents multi-peak distribution of hollow bright rings.
白东峰, 倪江楠, 卢宏炎. 非局域非线性介质中的拉盖尔-高斯涡旋呼吸子和涡旋光孤子[J]. 光学技术, 2017, 43(6): 519. BAI Dongfeng, NI Jiangnan, LU Hongyan. Laguerre-Gauss vortex breathers and vortex solitons in nonlocal nonlinear medium[J]. Optical Technique, 2017, 43(6): 519.