Three-Dimensional Waveguide Splitters Inscribed in Nd:YAG by Femtosecond Laser Writing: Realization and Laser Emission

被引：24
作者：
Jia, Yuechen [1 ,2 ]
Cheng, Chen [1 ,2 ]
Rodriguez Vazquez de Aldana, Javier [3 ]
Chen, Feng [1 ,2 ]
机构：
[1] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China
[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[3] Univ Salamanca, Dept Fis Aplicada, Laser Microproc Grp, E-37008 Salamanca, Spain
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2016年 / 34卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Femtosecond laser writing; integrated optics; waveguide lasers; 3-D waveguide splitters; WRITTEN; POLARIZATION; FABRICATION;
D O I：
10.1109/JLT.2015.2503349
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we report on a three-dimensional beam splitter monolithically integrated in an Nd:YAG laser crystal wafer by applying the direct femtosecond laser writing technique with the photonic-lattice-like cladding approach, capable of 1 to 2 and 1 to 4 beam splitting. Using the pump at 808 nm, 1064-nm splitting lasers with slope efficiencies of 34% and 22% for 1 to 2 and 1 to 4 configurations were realized. This study paves a way to fabricate direct-pump compact laser devices in a single chip for light guiding and beam dividing in Nd:YAG crystals for various photonic applications.
引用
收藏
页码：1328 / 1332
页数：5
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