Elliptical Gaussian beam propagation in nonlinear fibres with focusing and defocusing refractive profiles
Optics & Laser Technology(2019)
摘要
•Initial principle wave front curvatures are equivalent to beam ellipticity effect.•Effective method for high-elliptic beams using non-zero values wave front curvatures.•Beam ellipticity with positive curvatures limit collapse effect.•Ellipticity with positive curvatures and defocusing permittivity eliminate collapse.•Existence of soliton in self-defocusing fibre is observed.
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关键词
elliptical gaussian beam propagation,nonlinear fibres
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