Abstract
As of the writing of this work, generation of white light continuum (WLC) in hollow-core photonic crystal fibers (HCPCF) filled with gases is being thoroughly researched. These structures allow the possibility of adjusting light generation properties by changing the fill gas pressure. Kagomé hollow-core PCF and silica capillaries have been used to study the nonlinear effects in gases as they facilitate exploring these weak properties. In this paper, we numerically analyze the generation of WLC in a new type of hollow-core PCF, called negative curvature hollow-core fiber (NCHCF), itself filled with different inert gases. We show that this type of fiber is a better alternative to the Kagomé and capillary fibers because it exhibits low losses and the WLC spectrum generated presents a relatively flat wavelength span from around 400[Formula: see text]nm to 2400[Formula: see text]nm under certain circumstances.
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