Unprecedented mid-infrared nonlinear optical materials achieved by crystal structure engineering, a case study of (KX)P<sub>2</sub>S<sub>6</sub> (X = Sb, Bi, Ba)
Vivian Nguyen, Bingheng Ji, Kui Wu, Bingbing Zhang, Jian Wang
Abstract
Three superior type-I phase-matching middle infrared nonlinear optical materials ( E a > 4.0 eV, d ij > 2× AGS, LDT > 8× AGS) were achieved via crystal structure engineering.
Topics & Concepts
Acentric factorInfraredNonlinear opticalNonlinear systemMaterials scienceOptical materialsInfrared spectroscopyPhase (matter)OptoelectronicsCrystal structureNonlinear opticsOpticsChemistryCrystallographyPhysicsOrganic chemistryQuantum mechanicsCrystal Structures and PropertiesSolid-state spectroscopy and crystallographyPhotorefractive and Nonlinear Optics