Developing integrated chaotic source utilizing nonlinear dynamics in VCSELs

Project Details


Vertical Cavity Surface Emitting Lasers (VCSELs) are semiconductor lasers which present many advantages which can lead to significant improvements in computing or optical communication systems. One of the goals in my proposal is to investigate VCSELs as emitting sources of irregular light. The technique that I propose for this goal, is to work with mutually-coupled VCSELs in such a way, both lasers are interacting. Under certain conditions of power and frequency detuning (difference frequency between both lasers), both lasers can emit light with synchronization characteristics and different dynamical characteristics ranging from stables to irregular regimes. I will study the sudden changes that appear in the systems of mutually-coupled VCSELs under different conditions like the coupled power, the frequency detuning and the distance between both lasers, as well as the synchronization properties. All of this is relevant for secure data communications that is when one third party can decipher a message communications between two parties. I will explore the possibilities for creating VCSEL based integrated irregular system. The other goal of this proposal is related with the use of VCSELs to be used as distance meters or for measurements of velocities using a slight shift of their frequency of emission when some of the light is reflected back into the laser. This is appealing alternative to the traditional laser sources due to the low-cost and high efficiency of the VCSELs.
Effective start/end date1/10/141/05/20


  • Holography
  • Non-Linear Optics
  • Photonics
  • Optival Instrumentation
  • Optical Computing
  • Semiconductor Technology
  • Optical Switches And Modulators
  • Optical Fibre Sensors
  • Optical Measurements
  • Optical Materials
  • Optical Interconnects
  • Optical Instrumentation
  • Vcsels
  • Micro-Optics
  • Opto-Electronic Devices
  • Plastic Photonics

Flemish discipline codes

  • Optics, electromagnetic theory