Observation Of Self-Focusing Of Light Mediated By Cubic Nonlinearities In Potassium Titanyl Phosphate
The observation of self-focusing of light mediated by cubic nonlinearities in potassium titanyl phosphate was reported. The drastic differences between upconversion and downconversion processes were highlighted. It was found that a combination of cubic cross-phase modulation and weak quadratic cascading seems to be responsible for the accompanying narrowing of the ordinary-polarized fundamental frequency [FF(o)] beam.
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Carrasco, Silvia; Kim, Hongki; and Stegeman, George, "Observation Of Self-Focusing Of Light Mediated By Cubic Nonlinearities In Potassium Titanyl Phosphate" (2002). Scopus Export 2000s. 2405.