Analytical model for polarization-dependent light propagation in waveguide arrays and applications

S. Rojas-Rojas, L. Morales-Inostroza, U. Naether, G. B. Xavier, S. Nolte, A. Szameit, R. A. Vicencio, G. Lima, and A. Delgado
Phys. Rev. A 90, 063823 – Published 15 December 2014

Abstract

We study the polarization properties of elliptical femtosecond-laser-written waveguide arrays. An 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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  • Received 23 May 2014

DOI:https://doi.org/10.1103/PhysRevA.90.063823

©2014 American Physical Society

Authors & Affiliations

S. Rojas-Rojas1,2, L. Morales-Inostroza1,3, U. Naether4, G. B. Xavier1,5, S. Nolte6, A. Szameit6, R. A. Vicencio1,3, G. Lima1,2, and A. Delgado1,2

  • 1Center for Optics and Photonics and MSI-Nucleus on Advanced Optics, Universidad de Concepción, Casilla 160-C, Concepción, Chile
  • 2Departamento de Física, Universidad de Concepción, Casilla 160-C, Concepción, Chile
  • 3Departamento de Física, Facultad de Ciencias, Universidad de Chile, 7800003, Santiago, Chile
  • 4Instituto de Ciencia de Materiales de Aragón and Departamento de Física de la Materia Condensada, CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
  • 5Departamento de Ingeniería Eléctrica, Universidad de Concepción, Casilla 160-C, Concepción, Chile
  • 6Institute of Applied Physics, Abbe Center of Photonics, Friedrich-Schiller-Universit at Jena, Max-Wien-Platz 1, Jena 07743, Germany

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Issue

Vol. 90, Iss. 6 — December 2014

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