Title

A New Method For The Calculation Of Propagation Constants And Field Profiles Of Guided Modes Of Nonlinear Channel Wave-Guides Based On The Effective-Index Method

Authors

Authors

G. J. M. Krijnen; Hjwm Hoekstra;P. V. Lambeck

Comments

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Abbreviated Journal Title

J. Lightwave Technol.

Keywords

OPTICAL WAVE-GUIDES; SOLITONS; Engineering, Electrical & Electronic; Optics; Telecommunications

Abstract

In this paper, an extension of the effective index method (EIM) to waveguiding structures containing ideal or saturable third-order nonlinear materials is presented. By applying separation of variables to the dominant field component, the complete problem is subdivided into two scalar problems in the lateral and transverse direction, as in the case of the normal EIM. Making use of the strong transverse confinement, as observed in most real waveguide structures, the nonlinear index changes of the various transverse sections can be lumped into nonlinear effective indexes of the equivalent layered planar structures. By using these nonlinear effective indexes in self-consistent field calculations in the transverse direction, a complete approximate solution is obtained. In this way, the amount of computational effort required for the calculation of the effective indexes and field profiles of the waveguides can be reduced significantly.

Journal Title

Journal of Lightwave Technology

Volume

12

Issue/Number

9

Publication Date

1-1-1994

Document Type

Article

Language

English

First Page

1550

Last Page

1559

WOS Identifier

WOS:A1994PJ00200006

ISSN

0733-8724

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