012D FDTD · Electromagnetics & photonics
Electromagnetic Wave Simulator
Explore wave propagation, interference, resonators, waveguides, and advanced optical materials through more than 100 interactive scenes.
Jorge ParraAssistant Professor at University of Valencia · Photonics · ElectronicsENGINEERING · PHYSICS · EDUCATION
Learn engineering and physics interactively.
Explore electromagnetic waves, photonic modes, optothermal dynamics, RF networks, and semiconductor devices with visual, browser-based numerical models.
021D Drift–Diffusion · PN junction
Semiconductor Device Simulator
Solve a silicon PN junction self-consistently with Poisson and carrier-continuity equations, then inspect fields, bands, currents, and convergence.
03Two-port networks · S-parameters
RF Network Simulator
Build linear RF chains, import Touchstone S2P files, and inspect S-parameters, phase, group delay, mismatch, and internal reflections.
04Full-vector FDM · Integrated photonics
Waveguide Mode Solver
Calculate hybrid modes of dielectric waveguides, inspect all six electromagnetic field components, and evaluate effective index, confinement, and polarization.
05Axisymmetric heat transfer · VO₂ thin films
Optothermal Simulator
Simulate transient heating, phase transition, and thin-film absorptance in VO₂ driven by a pulsed Gaussian laser beam.
RESEARCH
Tools for fabrication and optical characterization.
Prepare lithography files, model thin-film processing, and fit optical spectra with reproducible, browser-based tools.
01GDSII → GOO · Photolithography
GDS2GOO
Convert GDSII layouts into validated, single-layer GOO exposure files for maskless photolithography with the Elegoo Mars 4 9K. All processing stays in the browser.
02Spin coating · Thin-film processing
SpinCoatSim
Model GDSII cross-sections, material stacks, RPM-calibrated film thickness, annealing shrinkage, and planarization in the browser.
03Thin-film optics · R/T fitting
Reflectometry
Fit calibrated reflectance and transmittance spectra from coherent multilayer stacks using flexible optical models.
04Scientific diagrams · Experimental setups
SetupSketch
Build optical, photonic, and electronic setup diagrams with editable components and export them as SVG, PNG, PDF, or JSON.
DESKTOP SOFTWARE
Laboratory software.
Download tools for optical programming, fiber alignment, and automated photonic characterization.
01Windows x64 · Direct download
PCMWriter
Program and characterize phase-change materials on silicon photonic devices through guarded optical and motion workflows.
02Windows x64 · Direct download
PICBench
Align optical fibers with camera guidance and automate spectral characterization of silicon photonic integrated circuits.