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[waveguide_real / phasor] more work towards real-FDTD to FDFD equivalence

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Forgejo Actions 2026-04-19 15:47:00 -07:00
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@ -17,10 +17,19 @@ For most users, the tracked examples under `examples/` are the right entry
point. They show the intended combinations of tools for solving complete
problems.
Relevant starting examples:
- `examples/fdtd.py` for broadband pulse excitation and phasor extraction
- `examples/waveguide.py` for guided phasor-domain FDTD/FDFD comparison
- `examples/waveguide_real.py` for real-valued continuous-wave FDTD compared
against real fields reconstructed from an FDFD solution, including guided-core,
mode-weighted, and guided-mode / residual comparisons
- `examples/fdfd.py` for direct frequency-domain waveguide excitation
The API pages are better read as a toolbox map and derivation reference:
- Use the [FDTD API](api/fdtd.md) for time-domain stepping, CPML, and phasor
extraction.
- Use the [FDTD API](api/fdtd.md) for time-domain stepping, CPML, phasor
extraction, and real-field reconstruction from FDFD phasors.
- Use the [FDFD API](api/fdfd.md) for driven frequency-domain solves and sparse
operator algebra.
- Use the [Waveguide API](api/waveguides.md) for mode solving, port sources,