[WIP] 2D TW-MZM cross-section with PN junction and CPW electrodes - #193
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mdmaas wants to merge 5 commits into
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[WIP] 2D TW-MZM cross-section with PN junction and CPW electrodes#193mdmaas wants to merge 5 commits into
mdmaas wants to merge 5 commits into
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mdmaas
requested review from
cdaunt,
flaport,
joamatab,
nikosavola and
vvahidd
as code owners
July 21, 2026 22:15
Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## main #193 +/- ##
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+ Coverage 57.19% 57.61% +0.41%
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Files 69 71 +2
Lines 11506 12180 +674
Branches 2395 2531 +136
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+ Hits 6581 7017 +436
- Misses 4194 4405 +211
- Partials 731 758 +27 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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I think the geometry is looking reasonable. This is the overall structure for the RF simulation: 
and zooming in to the region below the electrodes is the optical rib waveguide: 
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…tering, and per-face colors
…ped PN capacitance
…ault, PyVista return type, ty)
…l override - interactive param is tri-state (None/True/False): explicit True forces a live view, False forces static, None follows set_interactive_mode (off by default) - notebook live views render as one widget per plot on the single shared trame server (server-side by default; GSIM_TRAME_BACKEND / set_trame_backend to switch to client-side vtk.js) - keep live plotters in a registry (interactive_views/close_interactive_views/ close_interactive_view) so multiple views coexist without concurrent servers - front-facing camera for plot_mesh on planar meshes; plot_fields_2d camera preserved through the interactive path - fall back to a static image if a trame widget cannot be created
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Summary
2D travelling-wave Mach-Zehnder modulator (TW-MZM) cross-section for Palace
BoundaryModeanalysis (RF + optical), with a PN junction modelled as doped semiconductors (finite Drude conductivity) and CPW electrodes.Commits (history rebased from 23 to 4)
Initial cross-section build, doping gradient/vias, native 2D BoundaryMode mesh fixes.
plot_fields_2don PyVista with zoom, physical-group filtering, and per-face colorsSelf-contained visualization rework of the 2D field renderer.
build_doped_cross_section(),make_doping_profile(),plot_plane_section(),ImpedanceBoundaryConfig, PN junction lumped capacitance, palace-cpu bump.Apptainer default,
plot_fields_2dreturn type, Palace parallel defaults, ty/ruff cleanups.Scope
pyproject.toml.nbs/palace_2d_twmzm.ipynb: simplified TW-MZM cross-section (SOI rib, 400 nm / 90 nm slab, CPW signal 20 um / gap 20 um / ground 40 um), 50 GHz RF + 1550 nm opticalBoundaryModeSimruns.make_doping_profile().Conductivityentry for shaped dielectrics with finite sigma.