A QCL Model with Integrated Thermal and Stark Rollover Mechanisms

Gary Agnew*, Andrew Grier, Thomas Taimre, Yah Leng Lim, Zoran Ikonic, Paul Dean, Suraj P. Khanna, Mohammad Lachab, Alexander Valavanis, Jonathan Cooper, Paul Harrison, Edmund H. Linfield, A. Giles Davies, Dragan Indjin, Aleksandar D. Rakic

*Corresponding author for this work

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

Abstract

There is a need for a model that accurately describes dynamics of a bound-to-continuum terahertz quantum cascade laser over its full range of operating temperatures and bias conditions. In this paper we propose a compact model which, through the inclusion of thermal and Stark effects, accurately reproduces the light-current characteristics of an exemplar bound-to-continuum terahertz quantum cascade laser. Through this model, we investigate the dynamics of this laser with a view to applications in high-speed free space communications.

Original languageEnglish
Title of host publication2014 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2014)
EditorsLorenzo Faraone, Mariusz Martyniuk
PublisherInstitute of Electrical and Electronics Engineers
Pages48-51
Number of pages4
ISBN (Print)978-1-4799-6868-8
DOIs
Publication statusPublished - 2014
Externally publishedYes
EventConference on Optoelectronic and Microelectronic Materials and Devices (COMMAD) - Perth, Australia
Duration: 14 Dec 201417 Dec 2014

Publication series

NameConference on Optoelectronic and Microelectronic Materials and Devices
PublisherIEEE
ISSN (Print)1097-2137

Conference

ConferenceConference on Optoelectronic and Microelectronic Materials and Devices (COMMAD)
Country/TerritoryAustralia
CityPerth
Period14/12/1417/12/14

Keywords

  • Free space communication
  • quantum cascade laser
  • rate equation
  • Stark effect
  • thermal rollover
  • QUANTUM-CASCADE LASERS
  • MODULATION

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