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Optical Engineering

Amplitude-identical nonlinear TE0 fundamental wave in a symmetric periodic refractive index structure with two nonlinear claddings
Author(s): Chunsheng Ma
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Paper Abstract

Expressions describing field profile, dispersion relation, and propagation power are presented for nonlinear TE waves in a symmetric periodic refractive index structure with two nonlinear claddings beside the guide core. In terms of these formulas, the shape of the field profile of the symmetric nonlinear TE0 fundamental wave is investigated. We find that three shapes of the field profiles of the symmetric nonlinear TE0 fundamental wave exist in the symmetric periodic refractive index structure, and one of them has identical amplitudes in the guide core. The effects of the structural parameters on the amplitude-identical nonlinear TE0 fundamental wave are analyzed, and relative field profiles are illustrated. The results show that when the structural parameters (e.g., the core thickness, the well number, and the ratio of the well thickness to the periodic length) and the propagation power (and hence the effective refractive index) are selected at appropriate values, the amplitude-identical nonlinear TE0 fundamental wave can be formed in the symmetric periodic refractive index structure with two nonlinear claddings beside the guide core.

Paper Details

Date Published: 1 September 1998
PDF: 6 pages
Opt. Eng. 37(9) doi: 10.1117/1.601780
Published in: Optical Engineering Volume 37, Issue 9
Show Author Affiliations
Chunsheng Ma, Jilin Univ. (China)


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