Low-loss single-mode negatively curved square-core hollow fibers

Yang Chen; Mohammed Fathy Saleh; Nicolas Y. Joly; Fabio Biancalana

doi:10.1364/OL.42.001285

Low-loss single-mode negatively curved square-core hollow fibers

Yang Chen, Mohammed Fathy Saleh, Nicolas Y. Joly, Fabio Biancalana

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Abstract

We introduce a novel design of anti-resonant fibers with negative-curvature square cores to be employed in 1.55 and 2.94 μm transmission bands. The fibers have low losses and single-mode operation via optimizing the negative curvature of the guiding walls. The first proposed fiber shows a broadband transmission window spanning 0.9–1.7 μm, with losses of 0.025 and 0.056 dB/m at 1.064 and 1.55 μm, respectively. The second proposed fiber has approximately a 0.023 dB/m guiding loss at 2.94 μm with a small cross-sectional area, useful for laser micromachining applications.

Original language	English
Pages (from-to)	1285-1288
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	7
Early online date	2 Mar 2017
DOIs	https://doi.org/10.1364/OL.42.001285
Publication status	Published - 1 Apr 2017

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abstract = "We introduce a novel design of anti-resonant fibers with negative-curvature square cores to be employed in 1.55 and 2.94 μm transmission bands. The fibers have low losses and single-mode operation via optimizing the negative curvature of the guiding walls. The first proposed fiber shows a broadband transmission window spanning 0.9–1.7 μm, with losses of 0.025 and 0.056 dB/m at 1.064 and 1.55 μm, respectively. The second proposed fiber has approximately a 0.023 dB/m guiding loss at 2.94 μm with a small cross-sectional area, useful for laser micromachining applications.",

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Low-loss single-mode negatively curved square-core hollow fibers

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