Improved large-mode-area endlessly single-mode photonic crystal fibers
- 15 March 2003
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 28 (6) , 393-395
- https://doi.org/10.1364/ol.28.000393
Abstract
We numerically study the possibilities for improved large-mode-area endlessly single-mode photonic crystal fibers for use in high-power delivery applications. By carefully choosing the optimal hole diameter, we find that a triangular core formed by three missing neighboring air holes considerably improves the mode area and loss properties compared with the case with a core formed by one missing air hole. In a realized fiber we demonstrate an enhancement of the mode area by without a corresponding increase in the attenuation.
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