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Proceedings Paper

Investigation of dispersion characteristics of highly nonlinear microstructured fibre series for customized supercontinuum generation
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Paper Abstract

Dispersion characteristics are the fundamental properties of microstructured fibres (MSFs) with respect to the nonlinear applications. The changes of fibre dispersion may strongly influence the whole chain of diverse nonlinear effects resulting in supercontinuum generation (SG). Transferring the experience from the topics related to tailoring different properties of MSFs to investigate the potential design freedom of dispersion opens novel possibilities of building the customized, all-fibre broadband and bright light sources. The silica nonlinear microstructured fibres, as presented in this paper, become compatible with standard fibre components and technologies (e.g. splicing, connectorization etc). Supercontinuum generated in a small-core MSF is a very interesting nonlinear phenomenon from application-oriented point of view. A development of tailored dispersion of highly non-linear silica MSF offers us the possibility of constructing a customized broadband light source. Therefore, in the paper we present a theoretical and experimental investigation of dispersion characteristics of several different MSFs. Our studies are leading to the development of adapted dispersion properties, allowing construction of customized supercontinuum sources. All fibre, white light interferometry set-up, resulting in extremely high precision measurement of chromatic dispersion, is demonstrated, together with fully computer controlled fringe pattern analysis. Constructed set-up permitted comparison of chromatic dispersion measurements of microstructured fibres with modified fibre cross-section dimensions during the production process. High correlation between modelling and measured data gives possibility to control dispersion level in manufacturing process. Additionally, precisely designed and measured chromatic dispersion, especially around the zero dispersion wavelength, enables superior estimation of MSF nonlinear effects.

Paper Details

Date Published: 25 April 2012
PDF: 9 pages
Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 84260O (25 April 2012); doi: 10.1117/12.922765
Show Author Affiliations
Zbyszek Holdynski, Military Univ. of Technology (Poland)
Michal Szymanski, Military Univ. of Technology (Poland)
InPhoTech Ltd. (Poland)
Michal Murawski, Military Univ. of Technology (Poland)
InPhoTech Ltd. (Poland)
Pawel Mergo, Maria Curie-Sklodowska Univ. (Poland)
Idzi Merta, Military Univ. of Technology (Poland)
Malgorzata Gawronska, Military Univ. of Technology (Poland)
Pawel Marc, Military Univ. of Technology (Poland)
Leszek R. Jaroszewicz, Military Univ. of Technology (Poland)
Tomasz Nasilowski, Military Univ. of Technology (Poland)
InPhoTech Ltd. (Poland)

Published in SPIE Proceedings Vol. 8426:
Microstructured and Specialty Optical Fibres
Kyriacos Kalli; Alexis Mendez, Editor(s)

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