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Proceedings Paper

High reflectivity and low losses photonic crystals waveguides obtained by adiabatic modal conversion
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Paper Abstract

The out-of-plane losses experienced in conventional photonic crystals waveguides are an essential limitation for theirs future applications. This article presents a theoretical study of this losses for one-dimensional photonic crystals waveguides. Our numerical results are obtained using a new and powerful algorithm based on an extension of the rigorous coupled wave analysis. The origins of the losses are highlighted qualitatively in terms of effective medium theory and quantitatively in terms of mode mismatch. From these insights, a generic approach based on an adiabatic mode conversion is proposed and validated numerically for cavities with large quality factors and large peak transmissions.

Paper Details

Date Published: 26 December 2001
PDF: 9 pages
Proc. SPIE 4438, Physics, Theory, and Applications of Periodic Structures in Optics, (26 December 2001); doi: 10.1117/12.451495
Show Author Affiliations
Mirel E. Palamaru, Univ. Laval (Canada)
Philippe Lalanne, Lab. Charles Fabry de l'Insitut d'Optique (France)

Published in SPIE Proceedings Vol. 4438:
Physics, Theory, and Applications of Periodic Structures in Optics
Philippe Lalanne, Editor(s)

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