Nonlinear PML boundary conditions for nonparaxial BPM in /spl chi//sup (2)/ materials

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 compar...

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Bibliographic Details
Published in:IEEE photonics technology letters 1998-10, Vol.10 (10), p.1434-1436
Main Authors: Petruskevicius, R., Bellanca, G., Bassi, P.
Format: Article
Language:English
Subjects:
Anisotropic magnetoresistance
Boundary conditions
Equations
Finite difference methods
Frequency
Lithium niobate
Nonlinear optical devices
Optical materials
Optical scattering
Perfectly matched layers
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Summary: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.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.720285