# Inverse-designed cavities and atom interfaces
High-Q nanobeams, remote-atom cavities, curved mirrors, atom-gap designs, and their validation records.
[← Back to the complete example atlas](../index.md)
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:::{grid-item-card} Nanobeam cavity — resonant wavelength and Q
:link: ../notebooks/nanobeam_cavity
:link-type: doc
PASS · executed notebook · forward · wavelength_um
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:::{grid-item-card} GPU-native inverse design of a high-Q nanobeam cavity
:link: ../notebooks/high_q_nanobeam_optimization
:link-type: doc
PASS · executed notebook · invdes · validated_q_ratio
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:::{grid-item-card} Binary atom-gap antenna coupled to a feedthrough waveguide
:link: ../cases/invdes_scratch_atom_beta
:link-type: doc
PASS · benchmark page · invdes · guided_beta
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## Optimization campaigns, precursors, and audits
Everything associated with inverse-designed cavities is collected here, including paused and negative campaigns.
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:::{grid-item-card} Silicon (1550 nm) · executed remote-atom shifted-LDOS notebook
:link: ../notebooks/remote_atom_shifted_ldos_optimization
:link-type: doc
Complete parameter → geometry → simulation → optimization → field-analysis notebook.
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:::{grid-item-card} Lossless temporal-target Fryett campaign
:link: ../../project/fryett_temporal_dashboard
:link-type: doc
One source-driven single-pole waveform objective from a neutral start, followed only by pole tracking and a replay-gated smooth-boundary handoff.
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:::{grid-item-card} Four-dimensional shifted-ringdown Q/V campaign
:link: ../../project/fryett_4d_qv_dashboard
:link-type: doc
A neutral full-domain 8 um Fryett search using six-component fields across pulse-on and source-off time windows, followed by a fail-closed eigenfrequency-shifted Q/V stage.
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:::{grid-item-card} Live axisymmetric atom-hole LDOS optimizer
:link: ../../project/axisymmetric_atom_hole_ldos_dashboard
:link-type: doc
A z dipole in an immutable 1 µm air hole, optimized from a neutral radial line with exact m=0 cylindrical symmetry, robust projection, literal fields, and automatic pole surveillance.
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:::{grid-item-card} Frozen SiN atom-slot beta campaign
:link: ../../project/sin_slot_atom_beta_campaign
:link-type: doc
The complete qualified-success record: every optimization stage, parameters, starting and final masks, paired fields, pole history, Pareto alternatives, and the robust-projection failure that ended the campaign.
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:::{grid-item-card} Frozen SiN atom-slot telemetry
:link: ../../project/sin_slot_atom_beta_dashboard
:link-type: doc
The final literal-mask dashboard retained as a compact view of the stopped 780.24 nm Ez campaign.
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:::{grid-item-card} Live folded-SiN atom-to-waveguide beta optimizer
:link: ../../project/folded_sin_atom_waveguide_dashboard
:link-type: doc
The 780.24 nm Ey/TE-like one-sided coupler, with literal mask, field, beta, LDOS, Q, pole, and directional-loss telemetry.
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:::{grid-item-card} Ez-bandgap quasi-2D atom interface
:link: ../../project/ez_bandgap_quasi2d_dashboard
:link-type: doc
The replacement z-dipole campaign: unit-cell gap, thickness screen, tapered post edge, PML stability audit, and full 3D Ez fields.
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:::{grid-item-card} Silicon (1550 nm) remote-atom optimization campaign
:link: ../../project/paper_semi2d_ldos_dashboard
:link-type: doc
The stopped shifted-LDOS run, with its literal geometry, history, fitted pole, and Ey field.
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:::{grid-item-card} Silicon nitride (780 nm) quasi-2D optimization campaign
:link: ../../project/sin_quasi2d_ldos_dashboard
:link-type: doc
The 780.24 nm single-etch campaign, paused at its last accepted checkpoint.
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:::{grid-item-card} Atom-gap cavity optimizer
:link: ../../project/atom_gap_dashboard
:link-type: doc
The original hard-gap free-form cavity campaign and its field evidence.
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:::{grid-item-card} Beta-first atom-to-waveguide optimization
:link: ../../project/scratch_atom_beta_dashboard
:link-type: doc
The guided-coupling-first campaign used to seed later pole optimization.
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:::{grid-item-card} Beta-first final validation
:link: ../../project/scratch_atom_beta_final_validation
:link-type: doc
Fail-closed geometry, spectrum, branching-ratio, and density checks.
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:::{grid-item-card} From-scratch atom-LDOS optimization
:link: ../../project/scratch_atom_ldos_dashboard
:link-type: doc
The historical LDOS-first campaign and diagnosed gray-material stall.
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:::{grid-item-card} Atom-gap final-validation contract
:link: ../../project/scratch_atom_final_validation
:link-type: doc
The independent evidence required before Q and Purcell targets are claimed.
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:::{grid-item-card} Stopped square atom-hole waveguide campaign
:link: ../../project/atom_hole_waveguide_dashboard
:link-type: doc
The preserved 7.5 um no-slot beta-first campaign, including its final geometry, fields, and pole telemetry.
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:::{grid-item-card} Zhang-style semi-2D cavity reconstruction
:link: ../../project/paper_semi2d_phc_cavity
:link-type: doc
The unloaded paper geometry and remote-atom LDOS baseline used before shape optimization.
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:::{grid-item-card} Facing curved-mirror cavity study
:link: ../../project/curved_mirror_study
:link-type: doc
The parameterization and fabrication model for the observed `((( )))` family.
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:::{grid-item-card} Curved-mirror parameter sweep
:link: ../../project/curved_mirror_sweep
:link-type: doc
Thickness, spacing, apodization, oxide embedding, LDOS, and pole comparisons.
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:::{grid-item-card} Mirror-count doubling ablation
:link: ../../project/curved_mirror_doubling
:link-type: doc
The controlled test of additional Bragg fronts at fixed transverse domain size.
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:::{grid-item-card} Stopped 12-front curved-mirror live record
:link: ../../project/curved_mirror_ldos_dashboard
:link-type: doc
The final live checkpoint from 795 LDOS and 294 bounded-beta updates.
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:::{grid-item-card} Final 12-front curved-mirror beta campaign
:link: ../../project/curved_mirror_beta_campaign
:link-type: doc
Frozen 53.13% two-guide beta result with geometry, fields, channels, spectrum, and history.
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:::{grid-item-card} Archived solid-start Fourier atom-hole campaign
:link: ../../project/fourier_atom_hole_solid_start_campaign
:link-type: doc
The rejected 665-update initialization study and the evidence motivating gradual spectral discovery.
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:::{grid-item-card} Archived axis-biased Fourier seed campaign
:link: ../../project/fourier_atom_hole_axis_seed_campaign
:link-type: doc
The stopped 20-update seed audit that exposed excess coordinate-axis spectral power.
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:::{grid-item-card} Live isotropic-Fourier thin-SiN campaign
:link: ../../project/fourier_atom_hole_ldos_dashboard
:link-type: doc
A large 150 nm SiN design with 40,000 Fourier coefficients, a hard 1 um atom hole, and live fields.
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```{toctree}
:hidden:
:maxdepth: 1
../notebooks/nanobeam_cavity
../notebooks/high_q_nanobeam_optimization
../cases/device_nanobeam_cavity
../cases/invdes_nanobeam_cavity
../cases/invdes_scratch_atom_beta
../notebooks/remote_atom_shifted_ldos_optimization
../../project/fryett_temporal_dashboard
../../project/fryett_4d_qv_dashboard
../../project/axisymmetric_atom_hole_ldos_dashboard
../../project/sin_slot_atom_beta_campaign
../../project/sin_slot_atom_beta_dashboard
../../project/folded_sin_atom_waveguide_dashboard
../../project/ez_bandgap_quasi2d_dashboard
../../project/paper_semi2d_ldos_dashboard
../../project/sin_quasi2d_ldos_dashboard
../../project/atom_gap_dashboard
../../project/scratch_atom_beta_dashboard
../../project/scratch_atom_beta_final_validation
../../project/scratch_atom_ldos_dashboard
../../project/scratch_atom_final_validation
../../project/atom_hole_waveguide_dashboard
../../project/paper_semi2d_phc_cavity
../../project/curved_mirror_study
../../project/curved_mirror_sweep
../../project/curved_mirror_doubling
../../project/curved_mirror_ldos_dashboard
../../project/curved_mirror_beta_campaign
../../project/fourier_atom_hole_solid_start_campaign
../../project/fourier_atom_hole_axis_seed_campaign
../../project/fourier_atom_hole_ldos_dashboard
```