钛扩散铌酸锂波导 – Ti in-diffusion lithium niobate wg

- May 3, 2023 at 9:43 am
  
  Zizheng Li
  Subscriber
  
  请问如何仿真钛扩散铌酸锂波导？看到一些参考文献用其他仿真软件进行仿真，但没有找到用ansys lumerical进行仿真的论文，请问文献中的过程能够实现吗
  https://www.researchgate.net/publication/308181665_Simulation_of_Ti-indiffused_lithium_niobate_waveguides_and_analysis_of_their_mode_structure
  https://link.springer.com/chapter/10.1007/978-3-642-97074-0_4
- May 3, 2023 at 5:26 pm
  
  Guilin Sun
  Ansys Employee
  
  你要仿真钛扩散铌酸锂波导的什么参数？如果是分析模式，FDE可以任意三阶各向异性材料，你只要设置合适的折射率就可以。参见
  https://optics.ansys.com/hc/en-us/articles/360034394694-Creating-anisotropic-optical-materials-in-FDTD-and-MODE
- May 8, 2023 at 11:53 am
  
  Zizheng Li
  Subscriber
  
  感谢您的回答
  
  我尝试过这样的方式，但我想要设置成在三个轴上的折射率是随着位置变化而变化的，也就是说在x,y,z三个轴向上，材料折射率分别为: nx(x,y,z); ny(x,y,z); nz(x,y,z)
  
  请问是因为我的表达式太长了，所以没法成功吗？或者有什么其他办法实现这个过程？
  感谢
- May 8, 2023 at 12:08 pm
  
  Zizheng Li
  Subscriber
  
  问题出在erf函数，现在解决了
  抱歉打扰

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