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Journal Articles Optics Communications Year : 2011

Design of solid core photonic bandgap fibers for visible supercontinuum generation

Abstract

We present a numerical study of two dimensional solid core photonic bandgap fiber design criteria for their particular application to blue/visible supercontinuum generation. By exploiting their strong frequency-dependent dispersion when compared to index guiding micro-structured fibers, we highlight the design of solid core photonic bandgap fibers to fulfill group index matching conditions between the first ejected optical soliton and the trapped dispersive wave generated in the visible wavelength range. We study how these matching conditions depend on the opto-geometrical parameters of the micro-structured cladding, and we use frequency-domain numerical simulations to determine the expected supercontinuum spectral characteristics for selected cases. We investigate design criteria to generate short wavelengths by pumping in such photonic bandgap fibers in different pulse duration regimes and we identify a novel class of short wavelength (blue/visible) supercontinuum generation in the 3rd bandgap of a typical structure by pumping into the 2nd bandgap through a high attenuation spectral region.
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hal-00582921 , version 1 (06-05-2021)

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V. Pureur, J.M. Dudley. Design of solid core photonic bandgap fibers for visible supercontinuum generation. Optics Communications, 2011, 284 (6), pp.1661-1668. ⟨10.1016/j.optcom.2010.11.037⟩. ⟨hal-00582921⟩
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