Non-paraxial Split-step Finite-difference Method for Beam Propagation

Sharma, A. & Agrawal, A. (2006). Non-paraxial Split-step Finite-difference Method for Beam Propagation. Optical and Quantum Electronics, 38(1-3), pp. 19-34. doi: 10.1007/s11082-006-0019-4

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Abstract

A method based on symmetrized splitting of the propagation operator in the finite difference scheme for non-paraxial beam propagation is presented. The formulation allows the solution of the second order scalar wave equation without having to make the slowly varying envelope and one-way propagation approximations. The method is highly accurate and numerically efficient. Unlike most Padé approximant based methods, it is non-iterative in nature and requires less computation. The method can be used for bi-directional propagation as well.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: School of Engineering & Mathematical Sciences > Engineering
URI: http://openaccess.city.ac.uk/id/eprint/2473

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