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

页码：1328 / 1332

页数：5

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