Bragg Diffraction 1D Simulation - Transfer Matrix Method Implementation

Numerical simulation code and manuscript for Bragg diffraction in one-dimensional photonic crystals using Transfer Matrix Method (TMM). Validates analytical Bragg law with 0.040% accuracy. Features: - Rigorous TMM with energy conservation (|A| < 10⁻¹⁴) - SiO₂/TiO₂ DBR design for VCSEL applications - Sub-grid accuracy via quadratic interpolation - Complete output: spectra, CSV/JSON data, validation plots System Parameters: - 30-period multilayer stack - Lattice constant d = 120 nm - Bragg wavelength λ = 451 nm - Peak reflectivity R > 99.99% Contents: - Python source code (v3.1.0) - Publication manuscript (PDF) - Validation data and figures - Complete documentation (README.md) Applications: VCSEL mirror design, optical filters, photonic crystal characterization.GitHub Repository - Bragg Diffraction TMM