Structure
Capability 
PICWave 
Harold 
Harold XY 
Harold EAM 
Longitudinal Structure 
FabryPerot laser 




DFB & DBR laser 




Tuneable laser structures (multicontact) 




Model thermal diffusion along device (e.g. for facet heating in high power lasers) 




SOA operation 




Modulator operation 




Vertical Structure 
Take account of vertical mode confinement by epitaxy layer structure 




Take account of carrier capture by quantum wells 




Model selfconsistent carrier driftdiffusion equations 




Calculate gain spectra as a function of injected current 




Calculate emission spectra as a function of injected current 




Rigorous modelling of heat
sources and heat flow 




Calculate absorption spectra as a function of reverse bias voltage (QCSE) 




Lateral Structure / 2D (XY) 
Take account of lateral diffusion 




Take account of lateral waveguide effects 




Take account of lateral current spreading/leakage 




Model selfconsistent 2D
(XY) carrier driftdiffusion 




Rigorous modelling of 2D
(XY) heat flow 




Results Produced 
IV curves 




Lightcurrent curves 




Gain spectra 




Optical spectra 




Large Signal Dynamics 




Linewidth 




RIN Spectra 




Eyediagrams 




Simulation of modelocking and gain switching 




Absorption spectra vs. reverse voltage (QCSE) 




Refractive spectra vs. reverse voltage (QCSE) 



