Sanz-Felipe Ángel, Vallés Juan A
Applied Physics Department, Escuela Politécnica Superior, University of Zaragoza, Ctra. de Cuarte s/n, 22071 Huesca, Spain.
Applied Physics Department, Engineering Research Institute of Aragon (I3A), Faculty of Science, University of Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain.
Micromachines (Basel). 2024 Nov 30;15(12):1468. doi: 10.3390/mi15121468.
Active waveguide Bragg gratings (AWBGs) are promising photonic structures that combine the very efficient reflective properties of a Bragg grating with the power amplification character of rare earths. This combination may lead to a potential monolithic laser under the proper conditions. However, the photonic response of these structures highly depends on the grating design and operating parameters, so modeling its response for their laser performance is a must. In this work, a numerical method is employed to calculate the optical power propagation along an Er/Yb-codoped integrated AWBG. A complete database of the AWBG response as a function of the most relevant operational parameters is obtained. As a result, the critical values of each design and operating parameter to achieve its laser performance have been determined, which represents very useful information for further experimental design, optimization, and fabrication of these photonic structures.
有源波导布拉格光栅（AWBG）是一种很有前景的光子结构，它将布拉格光栅非常高效的反射特性与稀土元素的功率放大特性结合在一起。在适当条件下，这种结合可能会产生一种潜在的单片激光器。然而，这些结构的光子响应高度依赖于光栅设计和工作参数，因此对其激光性能的响应进行建模是必不可少的。在这项工作中，采用一种数值方法来计算沿掺铒/镱集成AWBG的光功率传播。获得了作为最相关工作参数函数的AWBG响应的完整数据库。结果，确定了实现其激光性能的每个设计和工作参数的临界值，这对于这些光子结构的进一步实验设计、优化和制造来说是非常有用的信息。
