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Chalcogenide glass fibers with a rectangular core for polarized mid-infrared supercontinuum generation

Ren, He; Yu, Yi; Zhai, Chengcheng; Zhang, Bin; Yang, Anping; Tian, Kangzhen; Feng, Xiang; Yang, Zhiyong; Wang, Pengfei; Luther-Davies, Barry


A step-index chalcogenide fiber with a rectangular core and a circular cladding was fabricated through an approach that combines an extrusion technique and a multiple-stage rod-in-tube method. This fiber has a Ge12As24Se64 glass core with a size of ~2.8 μm × 5.9 μm, and a Ge10As24S66 glass cladding with a diameter of ~220 μm, and shows a relatively large birefringence. When ~10 cm long fiber was pumped at 4.0 μm with 330 fs pulses, ~2.2–9.5 μm supercontinuum with a flatness of 20 dB and a...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Journal of Non-crystalline Solids
DOI: 10.1016/j.jnoncrysol.2019.05.010


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