Method to analyze optical waveguides with arbitrary index profiles

Sergio L. Palacios Diaz; R. D. Crespo; Jose Rodriguez Garcia; Susana Fernandez; Jose M. Virgos Rovira; Julio M. Fernandez Diaz; Ana Guinea Rueda; Jose A. Olivares

doi:10.1117/12.188014

30 September 1994 Method to analyze optical waveguides with arbitrary index profiles

Sergio L. Palacios Diaz, R. D. Crespo, Jose Rodriguez Garcia, Susana Fernandez, Jose M. Virgos Rovira, Julio M. Fernandez Diaz, Ana Guinea Rueda, Jose A. Olivares

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Proceedings Volume 2263, Current Developments in Optical Design and Optical Engineering IV; (1994) https://doi.org/10.1117/12.188014
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We present a theoretical method which makes it possible to analyze 3-D integrated optical waveguides with arbitrary refractive index profiles. With this method it is easy to obtain effective indexes, propagation constants and coupling/switching properties of planar and channel optical waveguides. This theoretical approach involves modelling the original optical waveguide by means of an Equivalent Optical Waveguide whose effective index is evaluated by applying a technique that we call the Asymptotic Effective Index Method. The theoretical results show good convergence and accuracy for effectives indexes, propagation constants and coupling/switching characteristics.

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Sergio L. Palacios Diaz, R. D. Crespo, Jose Rodriguez Garcia, Susana Fernandez, Jose M. Virgos Rovira, Julio M. Fernandez Diaz, Ana Guinea Rueda, and Jose A. Olivares "Method to analyze optical waveguides with arbitrary index profiles", Proc. SPIE 2263, Current Developments in Optical Design and Optical Engineering IV, (30 September 1994); https://doi.org/10.1117/12.188014

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KEYWORDS

Waveguides

Refractive index

Channel waveguides

Wave propagation

Diffusion

Directional couplers

Planar waveguides

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