Statistical study on rogue waves in Gaussian light field in saturated nonlinear media

被引：5

作者：

Chen, Ziyang ^{[1
]}

Li, Fuqiang ^{[1
]}

Lou, Cibo ^{[1
]}

机构：

[1] Ningbo Univ, Coll Phys Sci & Technol, Ningbo 315211, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2022年 / 20卷 / 08期

基金：

中国国家自然科学基金;

关键词：

optical rogue waves; spatial rogue waves; saturable nonlinearity; MODULATION INSTABILITY;

D O I：

10.3788/COL202220.081901

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The spatial rogue waves (RWs) generated by a wide Gaussian beam in a saturated nonlinear system are experimentally observed. Our observations show that RWs are most likely to occur when Gaussian light evolves to the critical state of filament splitting, and then the probability of RWs decreases with voltage fluctuations. The occurrence probability of RWs after splitting is related to the nonlinear breathing phenomenon of optical filament, and the statistics of RWs satisfy the long-tailed L-shaped distribution. The experiment proves that the presence of high-frequency components and the aggregation of low-frequency components can serve as a prerequisite for the occurrence of extreme events (EEs).

引用

页数：4

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