Semiconductor Ring Lasers as Optical Neurons

Werner Coomans, Lendert Gelens, Lilia Mashal, Stefano Beri, Guy Van Der Sande, Jan Danckaert, Guy Verschaffelt

Research output: Chapter in Book/Report/Conference proceedingConference paper


Semiconductor Ring Lasers (SRLs) have been shown to have an operation regime in which they are excitable, when the coupling between the counterpropagating modes is asymmetric. In this regime, they fire optical pulses (spikes) as a response to noise perturbations. In this contribution we experimentally and theoretically characterize these spikes and show that their amplitude and width are inversely correlated. We will also show that SRLs can deterministically trigger spikes in each other when they are coupled through a single bus waveguide. This is a first step towards an integrated optical neural network using SRLs as building blocks.
Original languageEnglish
Title of host publicationProceedings of the Annual Symposium of the IEEE Photonics Benelux Chapter, Ghent, Belgium
Number of pages4
Publication statusPublished - 2011
EventUnknown -
Duration: 1 Jan 2011 → …


Period1/01/11 → …


  • excitability
  • semiconductor laser
  • ring laser

Fingerprint Dive into the research topics of 'Semiconductor Ring Lasers as Optical Neurons'. Together they form a unique fingerprint.

Cite this