Analytical model for waveguide light propagation and applications

2014/09/08 by Rojas, Santiago Rojas, Morales-Inostroza, Luis, Naether, Uta +6 · 1 citation
#78A60 #81V80 #FOS: Physical sciences #Optics (physics.optics)

paper · doi:10.48550/arxiv.1409.2239

Abstract

We study the polarization properties of elliptical femtosecond-laser-written waveguides arrays. A new analytical model is presented to explain the asymmetry of the spatial transverse profiles of linearly polarized modes in these waveguides. This asymmetry produces a polarization dependent coupling coefficient, between adjacent waveguides, which strongly affects the propagation of light in a lattice. Our analysis explains how this effect can be exploited to tune the final intensity distribution of light propagated through the array, and links the properties of a polarizing beam splitter in integrated optical circuits to the geometry of the waveguides.

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