7 May 2015 Highly nonlinear chalcogenide suspended-core fibers for applications in the mid-infrared
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Due to their unique dispersion and nonlinear properties, chalcogenide suspended-core fibers, characterized by a few micrometer-sized core suspended between large air-holes by few small glass struts, are excellent candidates for mid-infrared applications. In the present study the influence of the main cross-section characteristics of the chalcogenide suspended-core fibers on the dispersion curve and on the position of the zero-dispersion wavelength has been thoroughly analyzed with a full-vector modal solver based on the finite element. In particular, the design of suspended-core fibers made of both As2S3 and As2Se3 has been optimized to obtain dispersion properties suitable for the supercontinuum generation in the mid-infrared.
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Enrico Coscelli, Enrico Coscelli, Federica Poli, Federica Poli, Jianfeng Li, Jianfeng Li, Annamaria Cucinotta, Annamaria Cucinotta, Stefano Selleri, Stefano Selleri, "Highly nonlinear chalcogenide suspended-core fibers for applications in the mid-infrared", Proc. SPIE 9507, Micro-structured and Specialty Optical Fibres IV, 950707 (7 May 2015); doi: 10.1117/12.2178751; https://doi.org/10.1117/12.2178751

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