论文摘要
Bismuth（Bi）-doped photonic materials, which exhibit broadband near-infrared（NIR） luminescence（1000–1600 nm）, are evolving into interesting gain media. However, the traditional methods have shown their limitations in enhancing Bi NIR emission, especially in the microregion. Consequently, the typical NIR emission has seldom been achieved in Bi-doped waveguides, which highly restricts the application of Bi-activated materials.Here, superbroadband Bi NIR emission is induced in situ instantly in the grating region by a femtosecond（fs）laser inside borosilicate glasses. A series of structural and spectroscopic characterizations are summoned to probe the generation mechanism. And we show how this novel NIR emission in the grating region can be enhanced significantly and erased reversibly. Furthermore, we successfully demonstrate Bi-activated optical waveguides.These results present new insights into Bi-doped materials and push the development of broadband waveguide amplification.
论文目录
文章来源
类型: 期刊论文
作者: LIPING WANG,JIANGKUN CAO,YAO LU,XIAOMAN LI,SHANHUI XU,QINYUAN ZHANG,ZHONGMIN YANG,MINGYING PENG
来源: Photonics Research 2019年03期
年度: 2019
分类: 基础科学,工程科技Ⅰ辑
专业: 有机化工
单位: State Key Laboratory of Luminescent Materials and Devices, Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Engineering, South China University of Technology,Department of Orthopedics, Zhujiang Hospital, Southern Medical University,School of Physics and Physical Engineering, Shandong Provincial Key Laboratory of Laser Polarization and Information Technology,Qufu Normal University
基金: Natural Science Foundation of Guangdong Province(2018B030308009),National Natural Science Foundation of China(NSFC)(51672085),Program for Innovative Research Team in University of Ministry of Education of China(IRT_17R38),Ministry of Education of the People’s Republic of China(MOE),Local Innovative Research Team Project of “Pearl River Talent Plan”(2017BT01X137),Fundamental Research Funds for the Central Universities
分类号: TQ422
页码: 300-310
总页数: 11
文件大小: 1465K
下载量: 10
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