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Glass-clad Cr4+:YSO crystal fibers were grown using the laser-heated pedestal growth method. Quasi-3-level behavior of the Cr4+:YSO was observed, and the emission was red shifted to 1302 nm with a 3-dB bandwidth of 230 nm.
We experimentally study spatio-temporal nonlinear dynamics in periodically poled lithium niobate crystal. We discuss broadband frequency conversion by modulation instability through cascading second harmonic generation under self-defocusing regime. Measurements agree well with numerical simulations.
Stimulated Raman scattering was investigated in potassium titanyl phosphate. A broadband Raman cascade was generated between 1086 nm and 1250 nm. A detailed discussion is given about spatial and temporal distortions of Raman-scattered light.
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