Quadruple Gaussian laser beam in cubic-quintic nonlinear media: effect of nonlinear absorption

被引：0
|
作者：
Gupta, Naveen [1 ]
Kumar, Sanjeev [1 ]
Choudhry, Suman [1 ]
Alex, A. K. [1 ]
Johari, Rohit [1 ]
Bhardwaj, S. B. [2 ]
机构：
[1] Lovely Profess Univ Phagwara, Phagwara, India
[2] SUS Govt Coll, Karnal, India
来源：
JOURNAL OF OPTICS-INDIA | 2024年
关键词：
Self focusing; Moment theory; Axial phase; Quadruple Gaussian; Clean energy; SELF-PHASE MODULATION; SOLITARY WAVE-PROPAGATION; 2ND-HARMONIC GENERATION; DISPERSION REGION; REFRACTIVE-INDEX; OPTICAL FIBERS; PLASMA WAVE; LIGHT; BISTABILITY; SOLITONS;
D O I：
10.1007/s12596-023-01531-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An investigation on nonlinear propagation of Quadruple Gaussian (Q.G) laser beams propagating through dissipative media possessing cubic-quintic nonlinearity has been presented. The formulation is based on finding the numerical solution of Ginzburg-Landau equation for the field of incident laser beam followed by moment theory approach in W.K.B approximation. In particular, dynamical variations of beam spot size and longitudinal phase of the laser beam have been investigated in detail. Self-trapping of the laser beam resulting from the balance between diffraction broadening and nonlinear refraction has been also investigated.
引用
收藏
页数：12
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