title: Optical parametric amplification of arbitrarily polarized light in periodically poled LiNbO3.
abstract: Optical parametric amplification (OPA) of arbitrarily polarized light is proposed in a multi-section periodically poled Lithium Niobate (PPLN). External electric field is applied on selected sections to induce the polarization rotation of involved lights, thus the quasi-phase matched optical parametric processes exhibit polarization insensitivity under suitable voltage. In addition to the amplified signal wave, an idler wave with the same polarization is generated simultaneously. As an example, a ~10 times OPA showing polarization independency is simulated. Applications of this technology are also discussed.
authors.affiliation: National Laboratory of Solid State Microstructures and College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China.
authors.forename: Guang-hao
authors.initials: GH
authors.lastname: Shao
authors.forename: Xiao-shi
authors.initials: XS
authors.lastname: Song
authors.forename: Fei
authors.initials: F
authors.lastname: Xu
authors.forename: Yan-qing
authors.initials: YQ
authors.lastname: Lu
mesh_terms: D000669:Amplifiers, Electronic; D003198:Computer Simulation; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008956:Models, Chemical; D009556:Niobium / Q000737:chemistry*; D010087:Oxides / Q000737:chemistry*; D012031:Refractometry / Q000295:instrumentation*
chemical_list: D010087:Oxides; D009556:Niobium; C091692:lithium niobate