Phase-Matched Second Harmonic Generation in a flux grown KTiOPO4 crystal ridge optical waveguide

Veronique Boutou, Augustin Vernay, Corinne Felix +4

Type II second-harmonic generation was performed in a 15.8-mm-long KTiOPO4 micrometric ridge waveguide with an average transversal section of 38 micrometer^2. Theoretical predictio…