Long period grating resonances in photonic bandgap fiber

We demonstrate the formation of stress-induced long period gratings (LPGs) in fluid-filled photonic bandgap fiber (PBGF). Based on our experimental results, simulations, and theoretical understanding of LPGs, we identify coupling to a guided LP(11)-like mode of the core and lossy LP1x-like modes of...

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Bibliographic Details
Published inOptics express Vol. 14; no. 7; pp. 3007 - 3014
Main Authors Steinvurzel, P, Moore, E D, Mägi, E C, Kuhlmey, B T, Eggleton, B J
Format Journal Article
LanguageEnglish
Published United States 03.04.2006
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Summary:We demonstrate the formation of stress-induced long period gratings (LPGs) in fluid-filled photonic bandgap fiber (PBGF). Based on our experimental results, simulations, and theoretical understanding of LPGs, we identify coupling to a guided LP(11)-like mode of the core and lossy LP1x-like modes of cladding microstructure for a single grating period. The periodic modal properties of PBGFs allow for coupling to the same mode at multiple wavelengths without a dispersion turning point. Simulations identify inherent differences in the modal structure of even and odd bands.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.14.003007