LaserMOD Product Overview

LaserMOD™ is a photonic device design software tool for simulating the optical, electronic, and thermal properties of semiconductor lasers and similar active devices. In these devices, thermal flux and carrier transport can strongly affect overall performance through spatial hole burning and self-heating. LaserMOD accounts for these and other important processes within a self-consistent scheme.


  • Versatile, user-friendly, parametric CAD interface.
  • All simulation modules included in a single package.
  • Integrated with RSoft passive device and system tools.


LaserMOD applications include the following device families:

  • Edge emitting lasers, such as Fabry-Perot (FP), Distributed Feedback (DFB), and Distributed Bragg Reflector (DBR)
  • Cylindrical Vertical Cavity Surface Emitting Lasers (VCSEL)
  • Silicon modulators (Electro-absorptive, electro-refractive, and thermo-optic modulators in silicon and other semi-conductor materials)
  • Hybrid & Multilevel applications when combined with other tools in the RSoft suite


  • 1D, 2D and cylindrical (quasi-3D)
  • Advanced physics based models
  • Self-consistent simulation
  • Steady-state and time dependent simulation
  • 8x8 KP band calculation for gain
  • Integrated BPM and FEM mode solvers
  • Integrated mesh generator
  • Extensible material libraries
  • Tutorial examples
  • On-line help
  • Standard and custom plot generation



Active Device Tool Part I: Overview

(Presentation with audio) Part I of the Active Device Tool presentation covers what LaserMOD does and what photonic devices it can simulate.


Active Device Tool Part II: FP Laser

(Presentation with audio) In Part II of the Active Device Tool presentation, simulation of an FP ridge laser will be discussed in detail.


Active Device Tool Part III: VCSEL

(Presentation with audio) In Part III of the Active Device Tool presentation, a VCSEL example will be demonstrated.


Active Device Tool Part IV: DFB

In Part IV of the Active Device Tool presentation, two DFB examples will be discussed: one with a uniform grating, which is the standard DFB laser; and the other with a central phase shift, which yields a DBR cavity. (Presentation only)

View Presentation

Active Device Utilities and Multi-Level Simulation

This is a brief introduction to RSoft tools that communicate with each other via utilities to address specific applications. Individual utilities that may involve active device simulation are also presented. (Presentation only)

View Presentation

Application Gallery