Your source of photonics CAD tools


A hetero-structure laser diode model


A gallery of Harold simulations

A high power Fabry-Perot laser

Simulating a high power FP laser in 1D and 2D with Harold


Generating the gain curves for an SOA and exporting the material model to PICWave

A SOI/III-V Hybrid Laser

A silicon-on-insulator hybrid laser modelled with Harold's XY Laser Module

Electro-Absorption Modulators (QCSE)

Simulation of AlGaAs and SiGe electro-absorption modulators relying on QCSE with Harold QCSE