rcwa

Fourier modal method with Jax

Electromagnetic simulation (RCWA) & optimization package in Python

pySCATMECH is a Python interface to SCATMECH: Polarized Light Scattering C++ Class Library

varRCWA algorithm implementation with GPU support

Fourier Modal Method for multilayer metamaterials. Mirror of https://gitlab.com/nannos/nannos

Fourier Modal Method with Jax (official maintained repo)

Modeled Integrated Scatter Tool (MIST)

An nanophotonics solver for inverse design of metamaterials

RCWA Solver

Physics-informed ML for diffractive optics with differentiable RCWA (TORCWA) and neural-surrogate inverse design.

Simulation of volume gratings (or holograms)

GPU-accelerated RCWA with automatic differentiation

2D rectangular grating diffraction simulation in COMSOL Wave Optics — full-field + Periodic Port + Floquet + TE recipe.

Implementation of enhanced transmittance method RCWA

Open-source EUV lithography simulator in Python/PyTorch: Mo/Si mirror, thin-mask and RCWA mask diffraction, partially coherent imaging, chemically amplified resist (Dill, PEB, development) with stochastic LER/LWR, process window and calibration. Every physical default has a named source. Browser GUI and REST API. Apache-2.0.

Complete LWIR metasurface design pipeline: RCWA physics to GDSII mask and back, with a pillar-by-pillar round-trip verification. Runs on a laptop, no commercial EDA tools.

Verified MATLAB->Python port of PPML RCWA with a differential test harness: 246 seeded fixtures, machine-level equivalence report

Lightweight 1D-RCWA validator (TE, normal incidence). TMM cross-verified to machine precision. Energy conservation <1e-10. Pure NumPy. Built for validation & education. | 轻量级一维 RCWA 验证器（TE/正入射）。TMM 交叉验证至机器精度。能量守恒<1e-10。纯 NumPy。专为验证与教学设计。