Abstract
We demonstrate experimentally the complex and extensive spectro-temporal dynamics of stimulated Raman scattering in ${{\rm{CO}}_2}$-filled hollow-core photonic crystal fiber, pumped by a single infrared microchip laser; namely, the cascading transient Raman process and self-similar behaviors in the regime of higher-order Stokes wave generation. Our measurements are in good agreement with the numerical simulations based on the nonlinear Schrödinger equation.
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