Text this: A Highly Birefringent and Nonlinear AsSe<inline-formula><tex-math notation="LaTeX">$_2$</tex-math></inline-formula>–As<inline-formula><tex-math notation="LaTeX">$_2$</tex-math></inline-formula>S<inline-formula><tex-math notation="LaTeX">$_5$</tex-math></inline-formula> Photonic Crystal Fiber With Two Zero-Dispersion Wavelengths
