Second Harmonic Generation of Violet Light in Femtosecond-Laser-Inscribed BiB3O6 Cladding Waveguides
1 School of Physics, State Key Laboratory of Crystal Materials and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Jinan 250100, China
2 Laser Microprocessing Group Universidad de Salamanca, Salamanca 37008, Spain
3 School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
4 Departamento Física de Materiales, Universidad Autónoma de Madrid Madrid 28049, Spain
We report on the second harmonic generation of violet light of a nonlinear cladding waveguide in BiB3O6 crystal produced by femtosecond laser inscription. Under continuous-wave pump laser at 800 nm, the guided second harmonic wave at 400 nm with a conversion efficiency of ~0.32% has been realized through the Type I birefringence phase matching configuration.
© Owned by the authors, published by EDP Sciences, 2013
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