Automatic birefringence characterization of single-mode erbium-doped fibers within the amplification band

A. Gutiérrez-Beltrán; D. Tentori

doi:10.1117/12.678834

1 September 2006 Automatic birefringence characterization of single-mode erbium-doped fibers within the amplification band

A. Gutiérrez-Beltrán, D. Tentori

Author Affiliations +

Proceedings Volume 6288, Current Developments in Lens Design and Optical Engineering VII; 62880V (2006) https://doi.org/10.1117/12.678834
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

The characterization of the residual birefringence of erbium-doped fibers using the Poincare sphere requires a careful alignment of the polarimetric set up. It is necessary to define the reference frame and then, to measure the input and output polarization states. The procedure is time consuming when the sample and the prism polarizer are removed and repositioned manually. In this work we present an automatic polarimetric set up that takes advantage of the geometric properties of the Poincare sphere and the polarization optics of homogeneous retarders. The measurement procedure has been modified to improve the measurement precision and to shorten the time required to perform the spectral birefringence characterization of these laser fibers. We discuss the fundamental limitations of this evaluation procedure comparing it with the wavelength scanning method based on Jones calculus, often used to characterize the birefringence of optical fibers.

Citation Download Citation

A. Gutiérrez-Beltrán and D. Tentori "Automatic birefringence characterization of single-mode erbium-doped fibers within the amplification band", Proc. SPIE 6288, Current Developments in Lens Design and Optical Engineering VII, 62880V (1 September 2006); https://doi.org/10.1117/12.678834

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