Ding Jinmin, Meng Fanchao, Zhao Xiaoting, Wang Xin, Lou Shuqin, Sheng Xinzhi, Yang Luyun, Tao Guangming, Liang Sheng
Key Laboratory of Education Ministry on Luminescence and Optical Information Technology, National Physical Experiment Teaching Demonstration Center, Department of Physics, School of Science, Beijing Jiaotong University, Beijing, 100044, China.
School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, 100044, China.
Front Optoelectron. 2022 Mar 29;15(1):3. doi: 10.1007/s12200-022-00003-w.
In this paper, a novel all-solid anti-resonant single crystal fiber (AR-SCF) with high refractive index tubes cladding is proposed. By producing the cladding tubes with high refractive index material, the AR guiding mechanism can be realized for the SCF, which can reduce the mode number to achieve single-mode or few-mode transmission. The influences of different materials and structures on the confinement loss and effective guided mode number for wavelengths of 2-3 μm are investigated. Then, the optimal AR-SCF structures for different wavelengths are determined. Furthermore, the influences of different fabrication errors are analyzed. This work would provide insight to new opportunities in the novel design of SCFs by AR, which would greatly impact the fields of laser application, supercontinum generation, and SCF sensors.
本文提出了一种具有高折射率包层管的新型全固态反谐振单晶光纤（AR-SCF）。通过用高折射率材料制作包层管，可以实现单晶光纤的反谐振导光机制，从而减少模式数量以实现单模或少模传输。研究了不同材料和结构对2-3μm波长下的限制损耗和有效导模数量的影响。然后，确定了不同波长下的最佳AR-SCF结构。此外，分析了不同制造误差的影响。这项工作将为通过反谐振进行单晶光纤的新颖设计提供新的机遇，这将对激光应用、超连续谱产生和单晶光纤传感器等领域产生重大影响。
