Nonlinear PML boundary conditions for nonparaxial BPM in /spl chi//sup (2)/ materials
- 1 October 1998
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 10 (10) , 1434-1436
- https://doi.org/10.1109/68.720285
Abstract
Nonlinear perfectly matched layer (NL-PML) boundary conditions for a nonparaxial finite-difference beam propagation method are developed and applied to the simulation of spatial solitary waves in periodically poled second-order nonlinear materials. Their overall better performance is verified comparing their effectiveness with that of linear PML and transparent boundary conditions.Keywords
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