Modeling optical solitons in ring quantum cascade lasers in the presence of backscattering

Lukas Seitner, Johannes Popp, Ina Heckelmann, Réka Eszter Vass, Bo Meng, Michael Haider, Jérôme Faist, Christian Jirauschek

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Mid-infrared optical solitons may be a powerful tool for applications in on-chip integrated photonics and spectroscopy, as they provide broadband, phase-locked frequency combs. Quantum cascade lasers (QCLs) embedded in a ring cavity have been found to enable self-starting optical soliton generation. In order to study these phenomena numerically, we use a model based on coupled Maxwell-density matrix equations. The introduction of backscattering in our model stabilizes self-assembled soliton field solutions, which is in very good agreement with experimental data. In this contribution, we present our model and discuss the mechanisms that lead to soliton operation in ring QCLs.

Original languageEnglish
Title of host publicationNovel In-Plane Semiconductor Lasers XXIII
EditorsAlexey A. Belyanin, Peter M. Smowton
PublisherSPIE
ISBN (Electronic)9781510670709
DOIs
StatePublished - 2024
EventNovel In-Plane Semiconductor Lasers XXIII 2024 - San Francisco, United States
Duration: 30 Jan 20241 Feb 2024

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12905
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceNovel In-Plane Semiconductor Lasers XXIII 2024
Country/TerritoryUnited States
CitySan Francisco
Period30/01/241/02/24

Keywords

  • numerical simulation
  • quantum cascade laser
  • ring cavity
  • soliton

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