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Nonlinear nonparaxial beam-propagation method

Nonlinear nonparaxial beam-propagation method

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An unconditionally unitary beam propagation method for solving the nonlinear nonparaxial TE equation or nonlinear Helmholtz equation is presented for the first time. This method is based on an iterative selfconsistent two-step implicit central difference scheme, which makes it suitable for extension to nonlinear vector wave equations.

Inspec keywords: iterative methods; nonlinear optics; light propagation; finite difference methods

Other keywords: nonlinear nonparaxial TE equation; nonlinear vector wave equations; unitary beam propagation method; numerical results; nonlinear Helmholtz equation; iterative selfconsistent two-step implicit central difference scheme

Subjects: Numerical approximation and analysis; Nonlinear optics; Optical propagation and transmission in homogeneous media

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