Examples

Example 1: Solving the modes of a GRIN index fiber using the `radial` solver.

• Graded index fiber using the radial solver
  • 1. Fiber parameters
  • 2. Compute the mode with radial solver
  • 3. Results
  • 4. Save the data

Example 2: Solving the modes of a step index fiber and comparing the results of the `radial` solver to the semi-analytical (`SI` solver) solution of the wave equation.

• Straight step index fibers
  • 1. Fiber parameters
  • 2. Compute the mode with three different solvers
  • 3. Comparing results

Example 3: Solving the modes of a square-core fiber using the `eig2D` solver.

• Square fiber using the 2D Eigen-problem solver
  • 1. Fiber parameters
  • 2. Create index profile
  • 3. Using the radial solver
  • 4. Results

Example 4: Comparing the results from the different solvers with the results from FDTD simulations for a graded index fiber.

• pyMMF vs FDTD simulations (Comsol) for GRIN
  • 1. Parameters of the fiber
  • 2. Compute transverse modes using pyMMF’s axisymmetric solver
  • 3. Compute transverse modes using pyMMF’s 2D finite difference eigenvalue solver
  • 4. WKB approximation
  • propagation constants under WKB approximation
  • 5. Load Comsol data
  • 6. Compare propagation constants
  • 7. Projection of one basis onto the other one