The waveguide structures of the inverted-rib type

R. Rogoziński; C. Tyszkiewicz; P. Karasiński

doi:10.1117/12.2065320

12 May 2014 The waveguide structures of the inverted-rib type

R. Rogoziński, C. Tyszkiewicz, P. Karasiński

Proceedings Volume 9228, Optical Fibers and Their Applications 2014; 92280D (2014) https://doi.org/10.1117/12.2065320
Event: 15th Conference on Optical Fibers and Their Applications, 2014, Lipowy Most, Poland

Abstract

This paper presents an analysis of the possibilities of producing waveguide structures of the inverted-rib type. Such structures can be produced on the basis of planar gradient strip waveguides (channel waveguides) produced in a glass substrate by the ion exchange method. The glass surface is then covered with a thin uniform optical layer with a high refractive index. The thickness of this layer is less than the cut off thickness for the used wavelength. The wave propagation is therefore possible in the gradient area only. The homogeneous sensitivity of such waveguides is much greater than in case of single-mode waveguides without a uniform layer. The paper presents the calculations of homogeneous sensitivity for single-mode waveguides of the rib type, the inverted rib waveguides and the gradient waveguides. The use of single-mode inverted rib waveguides in the design of the planar interferometer in the Young configuration was proposed.

Citation Download Citation

R. Rogoziński, C. Tyszkiewicz, and P. Karasiński "The waveguide structures of the inverted-rib type", Proc. SPIE 9228, Optical Fibers and Their Applications 2014, 92280D (12 May 2014); https://doi.org/10.1117/12.2065320

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