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Simulation of beam propagation in second-order nonlinear optical media

✍ Scribed by K. M. Furati; M. A. Alsunaidi; H. M. Masoudi

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
143 KB
Volume
32
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

Second‐order nonlinearity in optical media acts as a source for harmonics generation. We set up a time‐domain model that accounts not only for the second harmonic, but also for the higher harmonics that are induced by a beam propagation. The model is solved numerically using a second‐order explicit scheme based on the exact solution of the nonlinear difference equation. The power spectrum of the generated harmonics is also presented. © 2002 John Wiley & Sons, Inc. Microwave Opt Technol Lett 32: 312–316, 2002.

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The linear time-domain beam propagation method ( ) TD᎐BPM has been extended to model the propagation of pulsed optical beams in second-order nonlinear optical material of integrated wa¨eguides. The coupled nonlinear wa¨e equations ha¨e been deri¨ed and discretized using the explicit finite-differenc