PyPhot FDTD package
Project description
PhotFDTD
Phot FDTD 目前包含了基础器件和光器件的实现和测试用例,使用了fdtd库已经实现了的 Finite-difference time-domain method (时域有限差分)算法。
基础器件
- waveguide - 直波导
- arc - 圆弧
- sbend - s波导
- ysplitter - y分支
光器件
光器件由基础器件组成,光器件与光器件之间也可以连接。
- directional coupler - 方向耦合器
- mmi - 多模耦合干涉仪
- ring - 微环
安装
在命令行界面输入以下命令即可
pip install photfdtd
Demo
from photfdtd import Sbend
if __name__ == "__main__":
# 设置器件参数
sbend = Sbend(
xlength=40, ylength=60, zlength=1, x=10, y=10, z=1, direction=-1, width=10, refractive_index=1.7, name="sbend"
)
# 设置 grid 参数
sbend.set_grid(grid_xlength=80, grid_ylength=80, grid_zlength=1, grid_spacing=155e-9, total_time=200, pml_width=10)
# 设置光源
sbend.set_source()
# 保存画好的图,设置保存位置,以及从哪一个轴俯视画图
sbend.savefig(filepath="SbendZ.png", axis="z")
运行结果
各种光器件使用示例
在 tests 目录下,可以看到各种光器件的使用示例,例如 waveguide_test.py 代表着波导的使用示例。
开发者文档
开发者文档 提供了对于开发者的指导。
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