Robust silicon-on-insulator adiabatic splitter optimized by metamodeling

被引：6
|
作者：
Hassan, Karim [1 ]
Durantin, Cedric [1 ]
Hugues, Vincent [1 ]
Szelag, Bertrand [1 ]
Gliere, Alain [1 ]
机构：
[1] Univ Grenoble Alpes, CEA, LETI, Minatec Campus, F-38054 Grenoble, France
来源：
APPLIED OPTICS | 2017年 / 56卷 / 08期
关键词：
DIRECTIONAL COUPLER;
D O I：
10.1364/AO.56.002047
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A robust integrated power splitter based on a silicon-on-insulator adiabatic coupler configuration is demonstrated. The power separation is achieved by a slow and simultaneous change of phase and coupling constants. The geometrical parameters of the device are determined thanks to a metamodel-based iterative optimization strategy. Solving the multiple parameter problem together with a realistic bandwidth constraint provides a clear improvement of the power splitting stability. The robustness is confirmed experimentally on a single device and at the wafer scale. (C) 2017 Optical Society of America
引用
收藏
页码：2047 / 2052
页数：6
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