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Proceedings Paper

Index profile engineering of multimode interference couplers
Author(s): A. Ortega-Moñux; I. Molina-Fernández; J. G. Wangüemert-Pérez
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Paper Abstract

We propose a technique to improve the performance of high index contrast Multimode Interference (MMI) couplers. It is shown that imaging errors can be almost completely removed if the refractive index profile of the multimode region is properly designed. The proposed technique has been applied to design a 2x4 MMI 90º hybrid on SOI submicrometer strip waveguides (silicon-wires). Results show that the optimized device exhibits an almost ideal performance.

Paper Details

Date Published: 1 December 2009
PDF: 8 pages
Proc. SPIE 7630, Passive Components and Fiber-based Devices VI, 76300X (1 December 2009); doi: 10.1117/12.853236
Show Author Affiliations
A. Ortega-Moñux, Univ. de Málaga (Spain)
I. Molina-Fernández, Univ. de Málaga (Spain)
J. G. Wangüemert-Pérez, Univ. de Málaga (Spain)

Published in SPIE Proceedings Vol. 7630:
Passive Components and Fiber-based Devices VI
Perry P. Shum, Editor(s)

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