Numerical analysis of the contribution of the transverse asymmetry in the photo-induced index change profile to the birefringence of optical fiber

Dossou, K; LaRochelle, S; Fontaine, M

Numerical analysis of the contribution of the transverse asymmetry in the photo-induced index change profile to the birefringence of optical fiber

Dossou, K

LaRochelle, S Fontaine, M

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Publication Type:: Journal Article
Citation:: Journal of Lightwave Technology, 2002, 20 (8), pp. 1463 - 1470
Issue Date:: 2002-08-01

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Field	Value	Language
dc.contributor.author	Dossou, K https://orcid.org/0000-0002-2342-8945	en_US
dc.contributor.author	LaRochelle, S	en_US
dc.contributor.author	Fontaine, M	en_US
dc.date.issued	2002-08-01	en_US
dc.identifier.citation	Journal of Lightwave Technology, 2002, 20 (8), pp. 1463 - 1470	en_US
dc.identifier.issn	0733-8724	en_US
dc.identifier.uri	http://hdl.handle.net/10453/718
dc.description.abstract	The birefringence of an optical fiber resulting from an asymmetry of the index profile is numerically evaluated using a finite-element method with a full-vectorial formulation. Such asymmetric index profiles, assumed to vary exponentially across the fiber core, could be induced during the writing of fiber Bragg gratings with UV side-exposure techniques. The results reveal that the birefringence is a quadratic function of the effective index change. An asymmetry coefficient near 0.4 μm-1 maximizes the birefringence. The calculated photo-induced birefringence is negligible if the index change is lower than 5 × 10-4. However, the birefringence can reach 5 × 10-6 for large values of index change. The numerical method presented could be applied to the modeling of other asymmetric index profiles.	en_US
dc.relation.ispartof	Journal of Lightwave Technology	en_US
dc.relation.isbasedon	10.1109/JLT.2002.800259	en_US
dc.subject.classification	Optoelectronics & Photonics	en_US
dc.title	Numerical analysis of the contribution of the transverse asymmetry in the photo-induced index change profile to the birefringence of optical fiber	en_US
dc.type	Journal Article
utslib.citation.volume	8	en_US
utslib.citation.volume	20	en_US
utslib.for	010506 Statistical Mechanics, Physical Combinatorics and Mathematical Aspects of Condensed Matter	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	1005 Communications Technologies	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.issue	8	en_US
pubs.publication-status	Published	en_US
pubs.volume	20	en_US

Abstract:

The birefringence of an optical fiber resulting from an asymmetry of the index profile is numerically evaluated using a finite-element method with a full-vectorial formulation. Such asymmetric index profiles, assumed to vary exponentially across the fiber core, could be induced during the writing of fiber Bragg gratings with UV side-exposure techniques. The results reveal that the birefringence is a quadratic function of the effective index change. An asymmetry coefficient near 0.4 μm-1 maximizes the birefringence. The calculated photo-induced birefringence is negligible if the index change is lower than 5 × 10-4. However, the birefringence can reach 5 × 10-6 for large values of index change. The numerical method presented could be applied to the modeling of other asymmetric index profiles.

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http://hdl.handle.net/10453/718