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 Evolution of the degree of co-polarization in high-birefringence fibers
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6046

title: Evolution of the degree of co-polarization in high-birefringence fibers
authors: Muga, Nelson J.
Silva, Nuno A.
Ferreira, Mário F. S.
Pinto, Armando N.
keywords: High-birefringence fibers
Four-wave-mixing
Optical fibre polarization
Residual birefringence
issue date: 2010
publisher: Elsevier
abstract: An analytical model accurately describing the evolution of the relative state of polarization between two signals in high-birefringence fibers is presented. The degree of co-polarization is calculated as a function of the angle between the principal axes of the fiber and the state of polarization of the two input signals, for two different input polarization schemes. It is shown that for small fiber lengths or narrow wavelength separation, launching the two signals with orthogonal polarizations can present a higher degree of co-polarization along the propagation: for large wavelength separation or long distances, the degree of co-polarization for the parallel scheme is always equal or higher than for the orthogonal case. The model for the degree of co-polarization is compared with theoretical and experimental four-wave mixing results in a dispersion shifted high-birefringence fiber. (C) 2010 Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/10773/6046
ISSN: 0030-4018
publisher version/DOI: http://dx.doi.org/10.1016/j.optcom.2010.01.024
source: Optics Communications
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