This article is cited in 9 papers

Integral optical waveguides

Method of adiabatic modes in research of smoothly irregular integrated optical waveguides: zero approximation

A. A. Egorov^a, L. A. Sevastyanov^bc, A. L. Sevastyanov<sup>b

a</sup> Prokhorov General Physics Institute of the Russian Academy of Sciences
^b Joint Institute for Nuclear Research
^c Peoples' Friendship University of Russia

Abstract: We consider the application of the method of adiabatic waveguide modes for calculating the propagation of electromagnetic radiation in three-dimensional (3D) irregular integrated optical waveguides. The method of adiabatic modes takes into account a three-dimensional distribution of quasi-waveguide modes and explicit ('inclined') tangential boundary conditions. The possibilities of the method are demonstrated on the example of numerical research of two major elements of integrated optics: a waveguide of 'horn' type and a thin-film generalised waveguide Luneburg lens by the methods of adiabatic modes and comparative waveguides.

Keywords: integrated optical waveguides, smoothly irregular waveguides, method of adiabatic waveguide modes, method of comparative waveguides, dispersion relation, numerical modelling.

PACS: 02.30.Mv, 03.50.De, 07.05.Kf, 42.25.Gy, 42.82.Et

Received: 04.09.2013
Revised: 08.12.2013

 English version: Quantum Electronics, 2014, 44:2, 167–173

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