Ultrafast Laser Inscription of High-Performance Mid-Infrared Waveguides in Chalcogenide Glass

被引：9
|
作者：
Masselin, Pascal [1 ]
Bychkov, Eugene [1 ]
Le Coq, David [2 ]
机构：
[1] Univ Littoral Cote dOpale, Lab Physicochim Atmosphere, F-59140 Dunkerque, France
[2] Univ Rennes, CNRS, ISCR, UMR 6226, F-35000 Rennes, France
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2018年 / 30卷 / 24期
关键词：
Direct laser writing; mid-infrared; chalcogenide glass; SILICON; PROPAGATION;
D O I：
10.1109/LPT.2018.2878288
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：
We present the realization of mid-infrared waveguide by ultrafast laser inscription technique in a chalco-genide glass. Our approach is based on multicore waveguide that consists in an alignment on a mesh of positive refractive index channels placed parallel to each other. Two different meshes are investigated with different refractive index contrasts between the channel and the glass matrix. A detailed analysis of the performances at a wavelength of 4.5 mu m shows propagation losses of 0.20 +/- 0.05 dB/cm and coupling efficiencies higher than 60%.
引用
收藏
页码：2123 / 2126
页数：4
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