Femtosecond Laser Inscribed Y-Branch Waveguide in Nd:YAG Crystal: Fabrication and Continuous-Wave Lasing

被引：31
|
作者：
Liu, Hongliang [1 ,2 ]
Vazquez de Aldana, Javier R. [3 ]
Hong, Minghui [2 ]
Chen, Feng [1 ]
机构：
[1] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[3] Univ Salamanca, Fac Ciencias, Laser Microproc Grp, E-37008 Salamanca, Spain
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2016年 / 22卷 / 02期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Optical waveguides; femtosecond laser inscription; waveguide lasers; Y-branch waveguides; 2ND-HARMONIC GENERATION; BEAM-SPLITTERS; WRITTEN; GLASS; EMISSION; LIGHT;
D O I：
10.1109/JSTQE.2015.2439191
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：
Rectangular Y-branch cladding waveguides have been fabricated in Nd:YAG crystal by femtosecond laser inscription. Such novel configurations are fabricated with depth of 50 mu m, supporting multimode guidance in both TM and TE polarizations. Continuous wave laser oscillations at wavelength of 1.06 mu m have been achieved under the optical pump at 808 nm. The maximum output power is 0.2 W with a slope efficiency of 20% in the device with splitting angle of 0.5 degrees.
引用
收藏
页码：1 / 4
页数：4
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