Examples

Examples (0.1-0.8)

• Shapes, layers, and photonic crystals
  • Shapes and layers
  • Plane-wave expansion
  • Photonic crystals
  • Guided-mode expansion
  • Multiple layers and fancy shapes
  • Shapes in the claddings
  • Caveats
• Plane wave expansion for a 2D photonic crystal
  • Define 2D photonic crystal
  • Compute the photonic bands
  • Visuzlize the field of a mode
• Guided mode expansion for a multi-layer grating
  • Asymmetric grating
  • Build the grating as a three-layer structure
  • Compute quasi-guided bands
  • Asymmetric coupling
• Bands of a photonic crystal slab
• Plane wave expansion with Autograd
  • Define 2D photonic crystal waveguide
  • Compute gradients
  • Optimize the waveguide
• Guided mode expansion with Autograd
  • PhC cavity simulation
  • Autograd backend
  • Test gradient of quality factor
  • Test gradient of fields
  • Quality factor optimization
• Enhancing GME gradient computation efficiency
  • PhC cavity simulation
  • Accuracy of forward computation
  • Time and memory performance of gradient computation
• Zero-index Bound states In the Continuum
  • Daisy-hole PhC simulation
  • Finding optimal parameters
  • Test gradient
  • Optimization of circular holes

Examples for CPC paper (1.1-1.6)

• Guided mode expansion of a PhC slab with a horizontal (xy) symmetry plane
  • Define an xy-symmetric photonic crystal slab
  • Separately calculate xy-even and xy-odd modes
  • Plot the results and comparison
• Guided mode expansion of a PhC slab with vertical (kz) symmetry plane
  • Define a PhC slab with a square lattice
  • Calulate even and odd mode with respect to the vertical plane of symmetry
  • Compare separated and not-separated bands
• Bound states in a continuum and Q-factors
  • Define the PhC
  • Study of a symmetry-proteceted BIC
• Guided mode expansion and polarization mixing
  • Define the PhC
  • Calculate \(s-\) and \(p-\) farfield coupling
• Active metasurface simulation
  • Photonic structure simulation
  • Excitons in legume
  • Setting up ExcitonSchroedEq Simulation
  • Polaritonic simulation
• Guided mode expansion: W1 waveguide optimization with Autograd
  • Define W1 waveguide with a supercell
  • Compute gradients
  • Optimize the waveguide