栅栏
时域有限差分法
计算机科学
反向
电子工程
拓扑(电路)
实现(概率)
足迹
光学
工程类
数学
物理
电气工程
古生物学
统计
几何学
生物
作者
Michael Efseaff,Mark C. Harrison
出处
期刊:Journal of The Optical Society of America B-optical Physics
[The Optical Society]
日期:2023-11-07
卷期号:41 (2): A32-A32
被引量:1
摘要
Numerical simulations have become a cornerstone technology in the development of nanophotonic devices. Specifically, 3D finite-difference time domain (FDTD) simulations are widely used due to their flexibility and powerful design capabilities. More recently, FDTD simulations in conjunction with a design methodology called inverse design has become a popular way to optimize device topology, reducing a device’s footprint and increasing performance. We implement a commercial inverse design tool to generate complex grating couplers and explore a variety of grating coupler design methodologies. We compare the conventionally designed grating couplers to those generated by the inverse design tool. Finally, we discuss the limitations of the inverse design tool and how different design strategies for grating couplers affect inverse design performance, in terms of both computational cost and performance of the resulting device.
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