材料科学
纳米光子学
铌酸锂
纳米材料
光子上转换
二次谐波产生
非线性光学
纳米技术
光电子学
纳米颗粒
发光
光学
激光器
物理
作者
Marcin Runowski,Przemysław Woźny,Leopoldo L. Martín,K. Soler-Carracedo,Teng Zheng,Hanoch Hemmerich,F. Rivera-López,Jan Moszczyński,Piotr Kulpiński,Sascha Feldmann
标识
DOI:10.1002/adfm.202307791
摘要
Abstract Nonlinear optical materials are essential in areas such as nanophotonics, optical information processing, and biomedical imaging. However, nanomaterials employed for these diverse applications to date are efficient only for one type of nonlinear optical activity. Herein, the first multimodal nonlinear optically active class of nanomaterials based on lanthanide‐doped lithium niobate nanoparticles, which simultaneously exhibit unprecedentedly efficient second and third harmonic generation, as well as up‐conversion photoluminescence, is reported. These dielectric nanoparticles retain their high nonlinear optical conversion efficiency both as powder and as aqueous colloidal solution. The high stability also allows for the fabrication of optically active biocompatible micron‐sized fibers and polymer‐based 3D‐printable objects, as well as for fingerprint detection. Finally, the first 8‐bit coding platform purely based on multimodal nonlinear optical activity originating from different parametric and nonparametric processes is demonstrated, showcasing the technological potential of these materials for both anti‐counterfeiting and advanced optical information processing.
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