Second-order nonlinear optical coefficients of the monoclinic crystal BaGa<sub>4</sub>Se<sub>7</sub>
Feng Guo, Elodie Boursier, Patricia Segonds, Alexandra Peña, Jerôme Debray, Valeriy Badikov, Vladimir Panyutin, Dmitrii Badikov, Valentin Petrov, Benoît Boulanger
Abstract
We characterize the magnitude and relative signs of the second-order nonlinear optical coefficients of the biaxial crystal BaGa 4 Se 7 (BGSe) combining measurements of phase-matched and non-phase-matched second-harmonic generation at different wavelengths using slabs and a sphere.
Topics & Concepts
OpticsMonoclinic crystal systemMaterials scienceCrystal (programming language)Nonlinear opticsRefractive indexWavelengthAttenuation coefficientNonlinear systemNonlinear opticalCrystal opticsOptical materialsPhase matchingSum-frequency generationSelf-phase modulationSecond-harmonic generationPhotonic crystalMagnitude (astronomy)OptoelectronicsMolecular physicsInfraredLight intensityDiffractionPhotonic-crystal fiberCrystal Structures and PropertiesPhotorefractive and Nonlinear OpticsSolid State Laser Technologies