{
  "description": "Ultra-stable configuration for Zenodo publication data collection",
  "version": "1.0.0",
  "date": "2025-07-31",
  "author": "Photon Loop Research Team",
  
  "cavity_parameters": {
    "cavity_length": 0.05,
    "grid_points": 24,
    "base_index": 1.0,
    "temperature": 293.15
  },
  
  "laser_physics": {
    "gain_medium": "Nd:YAG",
    "doping_concentration": 5e22,
    "gain_cross_section_factor": 0.0005,
    "laser_wavelength": 1.064e-6,
    "cavity_mode_type": "gaussian"
  },
  
  "pump_parameters": {
    "pump_power": 5e-5,
    "pump_mode": "gaussian"
  },
  
  "time_stepping": {
    "propagator_dt": 2e-11,
    "control_period": 2e-9,
    "simulation_time": 200e-9,
    "use_adaptive_step": false,
    "accuracy_order": 2
  },
  
  "output_coupling": {
    "n_couplers": 1,
    "initial_coupler_T": 0.05
  },
  
  "loss_parameters": {
    "mirror_loss": 2e-4,
    "material_absorption": 2e-2,
    "scattering_loss": 5e-4,
    "surface_roughness_loss": 1e-4,
    "diffraction_loss": 5e-5,
    "residual_gas_loss": 2e-5
  },
  
  "control_parameters": {
    "max_dn": 0,
    "fce_horizon": 25,
    "target_mode": "uniform"
  },
  
  "simulation_options": {
    "n_photon_packets": 50,
    "initial_mode": "gaussian",
    "use_photon_packets": false,
    "save_interval": 5,
    "disable_emergency_shutdown": false,
    "continue_on_emergency": true,
    "check_conservation": false
  },
  
  "output_options": {
    "report_interval": 5,
    "power_sample_interval": 2e-9
  },
  
  "publication_metadata": {
    "title": "3D Photon Loop Reactor Simulation - Baseline Physics",
    "description": "Time series data from 3D electromagnetic field simulation with laser gain physics",
    "keywords": ["photon loop", "laser physics", "electromagnetic simulation", "cavity dynamics"],
    "data_types": ["time_series", "field_snapshots", "power_metrics", "laser_diagnostics"]
  }
}