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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

  1. waveguide - 直波导
  2. arc - 圆弧
  3. sbend - s波导
  4. 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。

  1. directional coupler - 方向耦合器
  2. mmi - 多模耦合干涉仪
  3. 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

SbendZ

各种光器件使用示例

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。

Release files for photfdtd 0.0.5

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