{
  "candidate_evidence": [
    {
      "density_sha256": "059bd478042ea5fd13d741d23208888f163a862069f46caba4855846abd97bfd",
      "fit": {
        "fitted_period_um": 0.48000000000000004,
        "fitted_radius_um": 3.9276901313511567,
        "parabolic_coherence": 0.35789612729879605
      },
      "id": "shifted_300nm_ez_iteration_84",
      "label": "300 nm Ez shifted cavity",
      "metrics": {
        "best_campaign_dense_q": 1653.1995745677095,
        "best_campaign_ringdown_purcell": 13.178153038024902,
        "dense_q": 894.7933146315397,
        "paired_iteration": 84,
        "ringdown_purcell": 7.423220157623291,
        "ringdown_q": 902.841552734375
      },
      "participation": {
        "atom_to_peak_field_amplitude": 0.6098804473876953,
        "gap_electric_energy_proxy_fraction": 0.01219722733655439,
        "gap_field_intensity_fraction": 0.08416419199212045,
        "silicon_electric_energy_proxy_fraction": 0.9560738247979272
      }
    },
    {
      "density_sha256": "df896b6f252ef495024d0a0e3e7bf00bdbf114579c29c9c9c620eada4bd1bf22",
      "fit": {
        "fitted_period_um": 0.29500000000000004,
        "fitted_radius_um": 2.1476994473877764,
        "parabolic_coherence": 0.48341928696932346
      },
      "id": "shifted_500nm_ey_iteration_35",
      "label": "500 nm Ey shifted cavity",
      "metrics": {
        "dense_q": 133.71060716474673,
        "paired_iteration": 35,
        "ringdown_purcell": 3.1038572788238525,
        "ringdown_q": 129.5674285888672
      },
      "participation": {
        "atom_to_peak_field_amplitude": 0.6726876497268677,
        "gap_electric_energy_proxy_fraction": 0.021843897654852888,
        "gap_field_intensity_fraction": 0.12308039815524763,
        "silicon_electric_energy_proxy_fraction": 0.925700522496411
      }
    },
    {
      "density_sha256": "01ad1f7ab5416f576a9488640e500b5500d4eb5204100ebe6b216762cedb2f81",
      "fit": {
        "fitted_period_um": 0.48750000000000004,
        "fitted_radius_um": 1.1248220307047592,
        "parabolic_coherence": 0.1325626892532529
      },
      "id": "beta_500nm_ez_update_60",
      "label": "500 nm Ez beta-first antenna",
      "metrics": {
        "dense_q": 135.0826479522293,
        "detuning_fraction": 0.03488885211532607,
        "fit_residual": 0.15499719429446762,
        "guided_beta": 0.7683282549455681,
        "paired_iteration": 60,
        "robust_min_guided_beta": 0.7477964758872986
      },
      "participation": {}
    }
  ],
  "gap_um": 1.0,
  "parameter_examples": [
    {
      "label": "A \u00b7 oxide-embedded baseline",
      "parameters": {
        "aperture_inner_um": 1.35,
        "aperture_outer_um": 2.1,
        "apodization_power": 1.5,
        "cladding_index": 1.444,
        "duty_inner": 0.42,
        "duty_outer": 0.52,
        "first_front_offset_um": 0.12,
        "gap_um": 1.0,
        "mirror_count": 8,
        "period_inner_um": 0.34,
        "period_outer_um": 0.4,
        "polarity": "silicon_ribs",
        "radius_inner_um": 1.8,
        "radius_outer_um": 3.0,
        "silicon_index": 3.5,
        "slab_thickness_um": 0.3,
        "waveguide_width_um": 0.4
      }
    },
    {
      "label": "B \u00b7 compact, strongly curved",
      "parameters": {
        "aperture_inner_um": 1.15,
        "aperture_outer_um": 1.75,
        "apodization_power": 1.5,
        "cladding_index": 1.444,
        "duty_inner": 0.42,
        "duty_outer": 0.52,
        "first_front_offset_um": 0.12,
        "gap_um": 1.0,
        "mirror_count": 8,
        "period_inner_um": 0.29,
        "period_outer_um": 0.34,
        "polarity": "silicon_ribs",
        "radius_inner_um": 1.25,
        "radius_outer_um": 2.2,
        "silicon_index": 3.5,
        "slab_thickness_um": 0.3,
        "waveguide_width_um": 0.4
      }
    },
    {
      "label": "C \u00b7 thick slab, weak curvature",
      "parameters": {
        "aperture_inner_um": 1.6,
        "aperture_outer_um": 2.35,
        "apodization_power": 1.5,
        "cladding_index": 1.444,
        "duty_inner": 0.42,
        "duty_outer": 0.52,
        "first_front_offset_um": 0.12,
        "gap_um": 1.0,
        "mirror_count": 8,
        "period_inner_um": 0.42,
        "period_outer_um": 0.49,
        "polarity": "silicon_ribs",
        "radius_inner_um": 3.5,
        "radius_outer_um": 6.0,
        "silicon_index": 3.5,
        "slab_thickness_um": 0.5,
        "waveguide_width_um": 0.4
      }
    },
    {
      "label": "D \u00b7 air-clad connected matrix",
      "parameters": {
        "aperture_inner_um": 1.35,
        "aperture_outer_um": 2.1,
        "apodization_power": 1.5,
        "cladding_index": 1.0,
        "duty_inner": 0.42,
        "duty_outer": 0.52,
        "first_front_offset_um": 0.12,
        "gap_um": 1.0,
        "mirror_count": 8,
        "period_inner_um": 0.36,
        "period_outer_um": 0.44,
        "polarity": "cladding_trenches",
        "radius_inner_um": 2.2,
        "radius_outer_um": 4.0,
        "silicon_index": 3.5,
        "slab_thickness_um": 0.3,
        "waveguide_width_um": 0.4
      }
    }
  ],
  "schema": "curved_atom_mirror_study_v1"
}