Characterization of Asymmetrically Fed Er3+/Yb3+ Co-Doped Double Core Integrated Waveguides

被引：1
|
作者：
Benedicto, David [1 ]
Valles, Juan A. [1 ]
Martin, Juan C. [1 ]
机构：
[1] Univ Zaragoza, Appl Phys Dept I3A, Zaragoza 50009, Spain
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2022年 / 40卷 / 17期
关键词：
Optical waveguides; Optical fiber theory; Waveguide lasers; Optical fiber amplifiers; Ultrafast optics; Optical pumping; Optical fiber couplers; Coupled-mode theory; integrated optical ampli- fiers; mode-division multiplexing; multicore waveguides; MODAL GAIN; FIBER; AMPLIFIER; CAPACITY; AMPLIFICATION; LIMITS; LASER;
D O I：
10.1109/JLT.2022.3185904
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：
The output signal intensity distribution of several fs-laser written double-core active waveguides was registered. The ratio between cores output powers exhibited a strong dependence on the input pump power when both input pump and signal powers were directly coupled to one of the cores. A model based on the coupled-mode theory which incorporates non-identical cores and longitudinally variable signal gain coefficients was implemented. Simulations based on this model are compared to experiments. A good agreement is achievable if small differences between cores' parameters (within the manufacturing precision limits) are allowed.
引用
收藏
页码：5910 / 5916
页数：7
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