Femtosecond laser direct writing of perovskite patterns with whispering gallery mode lasing
Xiaoyu Tian, Yalun Xu, Hongming Zhao, X. B. Qin, Yangtian Nie, Wei Li, Sheng Liu, Qianqian Lin, Qiang Cao
Abstract
Whispering gallery mode microlasers based on evaporated perovskite films were fabricated by femtosecond laser direct writing with ultra-low threshold.
Topics & Concepts
Lasing thresholdFemtosecondMaterials scienceWhispering-gallery waveLaserPerovskite (structure)OptoelectronicsWhispering galleryOpticsResonatorPhysicsChemical engineeringWavelengthEngineeringPerovskite Materials and ApplicationsNonlinear Optical Materials StudiesAdvanced Fiber Laser Technologies