{
  "campaign_id": "sin100_sio2slab_xyz_y_atom_strip_8x8_temporal_q_beta_v1",
  "stage": "projected_q_over_v_continuation",
  "layout_status": "provisional_density_0.5_contour_preview",
  "warning": "The topology is still gray. Layer 1 is a thresholded preview, not a fabrication release.",
  "units": "micrometers",
  "symmetry_unfolded": true,
  "layers": {
    "1/0": "SiN planar mask (positive material)",
    "10/0": "immutable 1 um air-strip keepout/reference",
    "100/0": "annotation only",
    "20/0": "SiO2 full-plane slab reference (simulation extends through x/y PML)"
  },
  "stack": {
    "sin_index": 2.0,
    "sio2_index": 1.45,
    "sin_thickness_um": 0.4277346432209015,
    "sio2_thickness_per_side_um": 0.2154824137687683,
    "sio2_full_width_um": 8.0,
    "note": "GDS is planar; SiO2 is an unbounded x-y slab in simulation and layer 20 is only a design-footprint reference."
  },
  "metrics": {
    "quality_factor": 4153.473101445142,
    "pole_wavelength_nm": 834.441065788269,
    "normalized_mode_volume_lambda_air_cubed": 60.658565521240234,
    "q_over_normalized_mode_volume": 68.47298589662097,
    "purcell_from_q_over_v": 5.203322983928054,
    "binarity_score": 0.9843353629112244,
    "gray_fraction": 0.021251475796930343
  },
  "gds_sha256": "2ebc31d00acae7bf6fe936d02bc8ac6f358c8830c6b73dc185c810b959015395"
}