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Proceedings Paper

Gaussian beams to calculate multimode interference in waveguides
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Paper Abstract

In this work, we present an alternative analytical method to describe the multimode interference (MMI) in waveguides. It is common to use numerical calculation to simulate the MMI, but it usually requires a large amount of computational resources to obtain the simulation in the corresponding section of the waveguide. Our method is based in the propagation of multiple Gaussian beams that interfere between them to produce the self-image effect as it appears in the waveguide MMI phenomena. In this case, we can calculate electromagnetic field distribution at an arbitrary propagation distance without the need to calculate the field in the entire waveguide section. This method simplifies the characterization of the MMI based devices as the multiplexor and the called optical fiber beam shaping.

Paper Details

Date Published: 26 October 2011
PDF: 6 pages
Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80114N (26 October 2011); doi: 10.1117/12.901969
Show Author Affiliations
Gustavo Rodriguez Morales, Univ. Autónoma de Nuevo León (Mexico)


Published in SPIE Proceedings Vol. 8011:
22nd Congress of the International Commission for Optics: Light for the Development of the World
Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Rufino Díaz-Uribe; Rufino Díaz-Uribe; Rufino Díaz-Uribe, Editor(s)

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