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

    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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