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Proceedings Paper

Twist-induced birefringence in hexagonal photonic fibers
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Paper Abstract

Photonic crystal optical fibers have much more degrees of freedom concerning the geometries and index contrasts than step-index fibers; therefore, the theoretical analysis of their performance is usually based on the finite element method. In this work, taking advantage of the similarities observed for twisted single-mode fibers: standard (SMF-28 and SMF- 28e) and hexagonal photonic fibers, we propose that in regard with polarization performance, photonic fibers can be described using a simpler model based on classical polarization optics. The main advantages of the matrix model we propose lie in its accuracy and generality: for each one of the selected wavelengths and input states of polarization, it allows a precise prediction of the output polarization state. The comparison of the experimental results measured for standard and photonic fibers with the theoretical model predictions indicates that in both cases, twist induced birefringence is produced not only by the medium's photoelasticity, but also by the waveguide (cladding/core structure and asymmetry) modification. In addition, for the photonic fiber, the non-symmetrical response to right and left twist allowed the identification of an initial twist as part of the residual elliptical birefringence.

Paper Details

Date Published: 25 October 2011
PDF: 10 pages
Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80114D (25 October 2011); doi: 10.1117/12.901691
Show Author Affiliations
D. Tentori, Ctr. de Investigación Científica y de Educación Superior de Ensenada (Mexico)
A. Garcia-Weidner, Ctr. de Investigación Científica y de Educación Superior de Ensenada (Mexico)
I. Torres-Gómez, Ctr. de Investigaciones en Óptica, A.C. (Mexico)


Published in SPIE Proceedings Vol. 8011:
22nd Congress of the International Commission for Optics: Light for the Development of the World
Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Rufino Díaz-Uribe; Rufino Díaz-Uribe; Rufino Díaz-Uribe, Editor(s)

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