Dual hollow-core anti-resonant fiber polarization beam splitter with ultra-short length and ultra-wide bandwidth
Hui Zou,
Yuhang Du,
Jingkai Zhou
et al.
Abstract:Apolarization beam splitter based on a dual hollow-core anti-resonant fiber is proposed. In the horizontal direction, elliptical shapes are introduced to form two hollow cores, with an air gap between the ellipses serving as a mode-coupling channel. Using the finite element method, a specific analysis is conducted on the influence of various structural parameters of the dual hollow-core anti-resonant fiber on the coupling length of the x-polarized and y-polarized modes, as well as the extinction ratio of highe… Show more
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