Laser emission from low-loss cladding waveguides in Pr:YLF by femtosecond laser helical inscription

被引：0

作者：

任莹莹 ^{[1
]}

崔泽孟 ^{[1
]}

孙丽菲 ^{[1
]}

王超 ^{[1
]}

刘洪亮 ^{[2
]}

蔡阳健 ^{[1
,3
]}

机构：

[1] Shandong Provincial Engineering and Technical Center of Light Manipulations and Shandong Provincial Key Laboratory of Optics and Photonic Device,School of Physics and Electronics, Shandong Normal University

[2] Key Laboratory of Optical Information Science and Technology, Ministry of Education, Institute of Modern Optics, Nankai University

[3] School of Physical Science and Technology, Soochow University

来源：

Chinese Optics Letters | 2022年 / 20卷 / 12期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TN249 [激光的应用];

学科分类号：

摘要：

Depressed cladding waveguides are fabricated in Pr:LiYF4(YLF) crystal by femtosecond laser inscription following a helical scheme. With the optimized parameters, the propagation loss of the waveguide is around 0.12 dB/cm for multimode guiding. Under optical pumping with InGaN laser diodes at 444 nm, efficient waveguide lasers in the orange around604 nm(π-polarized) are achieved with minimum lasing threshold of 119.8 mW, maximum slope efficiency of 16.6%, and maximum output power of 120.6 mW. Benefiting from their optimized performances, the waveguides produced in this work are promising for applications as compact orange laser sources.

引用

页码：47 / 53

页数：7

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